PT-2022-5686 · Cisco · Cisco Asa+1

Published 2022-11-09 · Updated 2024-01-25 · CVE-2022-20927

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Cisco Adaptive Security Appliance (ASA) Software (affected versions not specified) Cisco Firepower Threat Defense (FTD) Software (affected versions not specified)

Description A vulnerability in the SSL/TLS client could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue is due to improper memory management when a device initiates SSL/TLS connections. An attacker could exploit this by ensuring the device connects to an SSL/TLS server using specific encryption parameters, potentially causing the device to unexpectedly reload.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2022-07081

CVE-2022-20927

Affected Products

Cisco Asa

Cisco Ftd

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2022-20927 · Security Note
• https://osv.dev/vulnerability/CVE-2022-20927 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-07081 · Security Note
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssl-client-dos-cCrQPkA · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/686788 · Security Note
• https://t.me/true_secator/3697 · Telegram Post
• https://t.me/cvenotify/56622 · Telegram Post
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ssl-client-dos-cCrQPkA · Note