cisco-sa-sigbypass-FcvPPCeP: Cisco Firepower Threat Defense Software Signature Verification Bypass Vulnerability
First published: Wed May 06 2020(Updated: )
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. Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sigbypass-FcvPPCeP
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco FTD Major |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of cisco-sa-sigbypass-FcvPPCeP?
The cisco-sa-sigbypass-FcvPPCeP vulnerability is considered high severity due to the potential for an attacker to install malicious software.
How do I fix cisco-sa-sigbypass-FcvPPCeP?
To fix cisco-sa-sigbypass-FcvPPCeP, ensure that Cisco Firepower Threat Defense Software is updated to the latest recommended version that addresses this vulnerability.
Who is affected by cisco-sa-sigbypass-FcvPPCeP?
Organizations using affected versions of Cisco Firepower Threat Defense (FTD) Software with Image Signature Verification enabled are at risk from cisco-sa-sigbypass-FcvPPCeP.
What type of attack does cisco-sa-sigbypass-FcvPPCeP allow?
The cisco-sa-sigbypass-FcvPPCeP vulnerability allows authenticated, remote attackers with administrator-level credentials to install malicious patches.
Can cisco-sa-sigbypass-FcvPPCeP be exploited remotely?
Yes, cisco-sa-sigbypass-FcvPPCeP can be exploited remotely by attackers with the necessary credentials.
- agent/type
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/cisco-advisory
- source/Cisco
- agent/software-canonical-lookup
- agent/severity
- agent/title
- agent/weakness
- agent/references
- agent/description
- agent/event
- agent/tags
- agent/source
- vendor/cisco
- canonical/cisco ftd major