CVEvulnerability

CVE-2023-20275

4.3 MEDIUM Published 2023-12-12 Modified 2026-08-11 Official page ↗
Status
Modified
Published
2023-12-12
Last modified
2026-08-11
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-346

Description

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to send packets with another VPN user's source IP address. This vulnerability is due to improper validation of the packet's inner source IP address after decryption. An attacker could exploit this vulnerability by sending crafted packets through the tunnel. A successful exploit could allow the attacker to send a packet impersonating another VPN user's IP address. It is not possible for the attacker to receive return packets.

Affected configurations

• cisco adaptive security appliance software 9.8.1 • cisco adaptive security appliance software 9.8.1.5 • cisco adaptive security appliance software 9.8.1.7 • cisco adaptive security appliance software 9.8.2 • cisco adaptive security appliance software 9.8.2.8 • cisco adaptive security appliance software 9.8.2.14 • cisco adaptive security appliance software 9.8.2.15 • cisco adaptive security appliance software 9.8.2.17 • cisco adaptive security appliance software 9.8.2.20 • cisco adaptive security appliance software 9.8.2.24 • cisco adaptive security appliance software 9.8.2.26 • cisco adaptive security appliance software 9.8.2.28 • cisco adaptive security appliance software 9.8.2.33 • cisco adaptive security appliance software 9.8.2.35 • cisco adaptive security appliance software 9.8.2.38 • cisco adaptive security appliance software 9.8.3 • cisco adaptive security appliance software 9.8.3.8 • cisco adaptive security appliance software 9.8.3.11 • cisco adaptive security appliance software 9.8.3.14 • cisco adaptive security appliance software 9.8.3.16 • cisco adaptive security appliance software 9.8.3.18 • cisco adaptive security appliance software 9.8.3.21 • cisco adaptive security appliance software 9.8.3.26 • cisco adaptive security appliance software 9.8.3.29 • cisco adaptive security appliance software 9.8.4 • cisco adaptive security appliance software 9.8.4.3 • cisco adaptive security appliance software 9.8.4.7 • cisco adaptive security appliance software 9.8.4.8 • cisco adaptive security appliance software 9.8.4.10 • cisco adaptive security appliance software 9.8.4.12 • cisco adaptive security appliance software 9.8.4.15 • cisco adaptive security appliance software 9.8.4.17 • cisco adaptive security appliance software 9.8.4.20 • cisco adaptive security appliance software 9.8.4.22 • cisco adaptive security appliance software 9.8.4.25 • cisco adaptive security appliance software 9.8.4.26 • cisco adaptive security appliance software 9.8.4.29 • cisco adaptive security appliance software 9.8.4.32 • cisco adaptive security appliance software 9.8.4.33 • cisco adaptive security appliance software 9.8.4.34 • cisco adaptive security appliance software 9.8.4.35 • cisco adaptive security appliance software 9.8.4.39 • cisco adaptive security appliance software 9.8.4.40 • cisco adaptive security appliance software 9.8.4.41 • cisco adaptive security appliance software 9.8.4.43 • cisco adaptive security appliance software 9.8.4.44 • cisco adaptive security appliance software 9.8.4.45 • cisco adaptive security appliance software 9.8.4.46 • cisco adaptive security appliance software 9.8.4.48 • cisco adaptive security appliance software 9.12.1 • cisco adaptive security appliance software 9.12.1.2 • cisco adaptive security appliance software 9.12.1.3 • cisco adaptive security appliance software 9.12.2 • cisco adaptive security appliance software 9.12.2.1 • cisco adaptive security appliance software 9.12.2.4 • cisco adaptive security appliance software 9.12.2.5 • cisco adaptive security appliance software 9.12.2.9 • cisco adaptive security appliance software 9.12.3 • cisco adaptive security appliance software 9.12.3.2 • cisco adaptive security appliance software 9.12.3.7 … and 179 more

Related

Weakness · CWE (1)

  • CWE-346 Origin Validation Error weakness

References