CVE-2011-5121

The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which…

published August 26, 2012

CVSS
—
EPSS
1%
Percentile
68.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky oversight in Comodo's Antivirus component could leave your defenses down! It fails to check if certain X.509 certificates are revoked, potentially putting your system at risk. 💥 Think of it like a restaurant that keeps serving food without checking if any of its ingredients have gone bad. Just because the dish looks fine doesn’t mean the quality is safe! If exploited, this flaw could allow attackers to use revoked certificates to bypass security measures, essentially letting the bad guys slip past the gates unnoticed. The true extent of the impact is still shrouded in mystery, but the potential for remote attacks is definitely something to take seriously!

Put simply

Think of it like a restaurant that keeps serving food without checking if any of its ingredients have gone bad. Just because the dish looks fine doesn’t mean the quality is safe! This vulnerability exists because Comodo Internet Security versions prior to 5.3.175888.1227 do not validate the revocation status of certain X.509 certificates, which could enable an attacker to leverage these certificates in malicious ways.

What to do

If exploited, this flaw could allow attackers to use revoked certificates to bypass security measures, essentially letting the bad guys slip past the gates unnoticed. The true extent of the impact is still shrouded in mystery, but the potential for remote attacks is definitely something to take seriously! Ensure you update your Comodo Internet Security to version 5.3.175888.1227 or later immediately to address this vulnerability. Regularly check for updates and review your security settings to maintain maximum protection! You've got this! Stay proactive and you'll keep your digital fortress safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01221 · 68.3th percentile
Published
2012-08-26T01:00Z
EPSS history
Timeline
  • 26 AUG 01:00Z
    The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not properly check whether unspecified X.509 certificates are revoked, which…
    cvelistv5