CVE-2020-3308 — Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability

Description (CNA)

A vulnerability in the Image Signature Verification feature of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker with administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

Affected (CNA)

Vendor / product	Versions
Cisco / Cisco Firepower Threat Defense Software	affected n/a

CWE

CWE-347

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sigbypass-FcvPPCeP

ADP enrichment

CVE

No English description supplied.

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sigbypass-FcvPPCeP

CISA-ADP

No English description supplied.

No references supplied.