CVE 5.8 MEDIUM

CVE-2025-20252_CVE-2025-20252

5.8 / 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Description

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) module of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service (DoS) condition.

This vulnerability is due to improper parsing of IKEv2 packets. An attacker could exploit this vulnerability by sending a continuous stream of crafted IKEv2 packets to an affected device. A successful exploit could allow the attacker to partially exhaust system memory, causing system instability like being unable to establish new IKEv2 VPN sessions. A manual reboot of the device is required to recover from this condition.

Basic Information

ID CVE-2025-20252
Source cisco
Published Aug 14, 2025 at 16:29
Modified Aug 14, 2025 at 19:19

Affected Product

Vendor Cisco
Product Cisco Adaptive Security Appliance (ASA) Software
Version 9.8.4.15
Affected Versions Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.17
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.25
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.20
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.22
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.26
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.29
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.32
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.33
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.34
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.35
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.39
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.40
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.41
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.43
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.44
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.45
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.46
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4.48
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3.12
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.10
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.8
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.18
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.24
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.26
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.29
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.30
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.35
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.37
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.38
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.39
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.40
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.41
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.47
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.48
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.50
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.52
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.54
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.55
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.56
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.58
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.62
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.65
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4.67
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1.10
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1.6
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1.19
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1.30
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.2.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.2.8
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.2.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.2.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.11
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.18
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.3.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.6
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.12
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.14
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.17
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.22
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.23
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.14.4.24
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.1.28
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2.11
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.2.14
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3.14
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3.19
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.3.23
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.14
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.18
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.19
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.27
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.38
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.39
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.42
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.48
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.55
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.57
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.61
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.62
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.67
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.70
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.71
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.76
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.16.4.82
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.10
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.11
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.15
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.20
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.30
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.33
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.39
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.45
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.17.1.46
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.1.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.2.5
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.2.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.2.8
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3.39
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3.46
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3.53
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3.55
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.3.56
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.5
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.8
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.22
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.24
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.29
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.34
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.40
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.47
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.50
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.52
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.18.4.53
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.5
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.12
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.18
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.22
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.24
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.27
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.28
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.31
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.37
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.19.1.38
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.1.5
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.2.10
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.2.21
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.2.22
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3.4
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3.7
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3.9
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3.10
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.20.3.13
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.22.1.1
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.22.1.3
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.22.1.2
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.22.1.6
Cisco Cisco Adaptive Security Appliance (ASA) Software 9.23.1
Cisco Cisco Firepower Threat Defense Software 6.2.3.16
Cisco Cisco Firepower Threat Defense Software 6.2.3.17
Cisco Cisco Firepower Threat Defense Software 6.2.3.18
Cisco Cisco Firepower Threat Defense Software 6.6.0
Cisco Cisco Firepower Threat Defense Software 6.6.0.1
Cisco Cisco Firepower Threat Defense Software 6.6.1
Cisco Cisco Firepower Threat Defense Software 6.6.3
Cisco Cisco Firepower Threat Defense Software 6.6.4
Cisco Cisco Firepower Threat Defense Software 6.6.5
Cisco Cisco Firepower Threat Defense Software 6.6.5.1
Cisco Cisco Firepower Threat Defense Software 6.6.5.2
Cisco Cisco Firepower Threat Defense Software 6.6.7
Cisco Cisco Firepower Threat Defense Software 6.6.7.1
Cisco Cisco Firepower Threat Defense Software 6.6.7.2
Cisco Cisco Firepower Threat Defense Software 6.4.0.9
Cisco Cisco Firepower Threat Defense Software 6.4.0.10
Cisco Cisco Firepower Threat Defense Software 6.4.0.11
Cisco Cisco Firepower Threat Defense Software 6.4.0.12
Cisco Cisco Firepower Threat Defense Software 6.4.0.13
Cisco Cisco Firepower Threat Defense Software 6.4.0.14
Cisco Cisco Firepower Threat Defense Software 6.4.0.15
Cisco Cisco Firepower Threat Defense Software 6.4.0.16
Cisco Cisco Firepower Threat Defense Software 6.4.0.17
Cisco Cisco Firepower Threat Defense Software 6.4.0.18
Cisco Cisco Firepower Threat Defense Software 7.0.0
Cisco Cisco Firepower Threat Defense Software 7.0.0.1
Cisco Cisco Firepower Threat Defense Software 7.0.1
Cisco Cisco Firepower Threat Defense Software 7.0.1.1
Cisco Cisco Firepower Threat Defense Software 7.0.2
Cisco Cisco Firepower Threat Defense Software 7.0.2.1
Cisco Cisco Firepower Threat Defense Software 7.0.3
Cisco Cisco Firepower Threat Defense Software 7.0.4
Cisco Cisco Firepower Threat Defense Software 7.0.5
Cisco Cisco Firepower Threat Defense Software 7.0.6
Cisco Cisco Firepower Threat Defense Software 7.0.6.1
Cisco Cisco Firepower Threat Defense Software 7.0.6.2
Cisco Cisco Firepower Threat Defense Software 7.0.6.3
Cisco Cisco Firepower Threat Defense Software 7.0.7
Cisco Cisco Firepower Threat Defense Software 7.1.0
Cisco Cisco Firepower Threat Defense Software 7.1.0.1
Cisco Cisco Firepower Threat Defense Software 7.1.0.2
Cisco Cisco Firepower Threat Defense Software 7.1.0.3
Cisco Cisco Firepower Threat Defense Software 7.2.0
Cisco Cisco Firepower Threat Defense Software 7.2.0.1
Cisco Cisco Firepower Threat Defense Software 7.2.1
Cisco Cisco Firepower Threat Defense Software 7.2.2
Cisco Cisco Firepower Threat Defense Software 7.2.3
Cisco Cisco Firepower Threat Defense Software 7.2.4
Cisco Cisco Firepower Threat Defense Software 7.2.4.1
Cisco Cisco Firepower Threat Defense Software 7.2.5
Cisco Cisco Firepower Threat Defense Software 7.2.5.1
Cisco Cisco Firepower Threat Defense Software 7.2.6
Cisco Cisco Firepower Threat Defense Software 7.2.7
Cisco Cisco Firepower Threat Defense Software 7.2.5.2
Cisco Cisco Firepower Threat Defense Software 7.2.8
Cisco Cisco Firepower Threat Defense Software 7.2.8.1
Cisco Cisco Firepower Threat Defense Software 7.2.9
Cisco Cisco Firepower Threat Defense Software 7.3.0
Cisco Cisco Firepower Threat Defense Software 7.3.1
Cisco Cisco Firepower Threat Defense Software 7.3.1.1
Cisco Cisco Firepower Threat Defense Software 7.3.1.2
Cisco Cisco Firepower Threat Defense Software 7.4.0
Cisco Cisco Firepower Threat Defense Software 7.4.1
Cisco Cisco Firepower Threat Defense Software 7.4.1.1
Cisco Cisco Firepower Threat Defense Software 7.4.2
Cisco Cisco Firepower Threat Defense Software 7.4.2.1
Cisco Cisco Firepower Threat Defense Software 7.4.2.2
Cisco Cisco Firepower Threat Defense Software 7.6.0
Cisco Cisco Firepower Threat Defense Software 7.7.0

References

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