PT-2021-7011 · Cisco · Cisco Asa+1

Published 2021-11-02 · Updated 2023-11-15 · CVE-2022-20715

Positive Technologies (AI Summary)

CVSS v3.1

8.6

High

Base vector

AV:N/AC:L/PR:N/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 remote access SSL VPN features could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This issue is due to improper validation of errors that are logged as a result of client connections made using remote access VPN. An attacker could exploit this by sending crafted requests to an affected system, potentially causing the device to restart and resulting in a DoS condition.

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

DoS

RCE

Weakness Enumeration

CWE-399

CWE-20

Related Identifiers

BDU:2022-02953

CVE-2022-20715

Affected Products

Cisco Asa

Cisco Ftd

References · 8

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-tL4uA4AA · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-20715 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/679037 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-dos-tL4uA4AA · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-20715 · Security Note
• https://bdu.fstec.ru/vul/2022-02953 · Security Note
• https://cybersecurity-help.cz/vdb/SB2022042737 · Note
• https://vuldb.com/ru/?id.198867 · Note