Cisco Adaptive Security Appliance Software IPsec IKEv2 VPN Information Disclosure (cisco-sa-asaftd-ipsec-mitm-CKnLr4)

high Nessus Plugin ID 160889

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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco ASA Software is affected by a vulnerability due to an improper implementation of Galois/Counter Mode (GCM) ciphers. An unauthenticated, remote attacker can, by intercepting a sufficient number of encrypted messages from the affected device, use cryptanalytic techniques to break the encryption.

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvz81480

Plugin Details

Severity: High

ID: 160889

File Name: cisco-sa-asaftd-ipsec-mitm-CKnLr4-asa.nasl

Version: 1.4

Type: local

Family: CISCO

Published: 5/10/2022

Updated: 3/31/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2022-20742

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:adaptive_security_appliance_software

Required KB Items: Host/Cisco/ASA/model

Exploit Ease: No known exploits are available

Patch Publication Date: 4/27/2022

Vulnerability Publication Date: 4/27/2022

Reference Information

CVE: CVE-2022-20742

CWE: 325

CISCO-SA: cisco-sa-asaftd-ipsec-mitm-CKnLr4

IAVA: 2022-A-0185-S

CISCO-BUG-ID: CSCvz81480

Detections

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