PT-2020-4456 · Cisco · Cisco Asa+2

Published 2020-10-21 · Updated 2021-09-22 · CVE-2020-3317

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description A vulnerability in the ssl inspection component could allow an unauthenticated, remote attacker to crash Snort instances due to insufficient input validation. An attacker could exploit this by sending a malformed TLS packet through a Cisco Adaptive Security Appliance (ASA), resulting in a denial of service (DoS) condition.

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

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2020-05004

CVE-2020-3317

Affected Products

Cisco Asa

Cisco Ftd

Snort

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-3317 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-ssl-mf3822Z · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-05004 · Security Note
• https://osv.dev/vulnerability/CVE-2020-3317 · Vendor Advisory
• https://t.me/cibsecurity/15504 · Telegram Post