CVE-2011-4684

Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."

published December 7, 2011

CVSS
—
EPSS
6%
Percentile
93.0
In the wild
Unconfirmed
What it is

⚠️ A sneaky flaw in Opera can let attackers exploit certificate revocation issues before version 11.60 — imagine the potential mischief if they could sneak past security checks! Think of it like a restaurant that still serves meals without checking if any of the ingredients have been recalled — a recipe for disaster! An attacker could potentially capitalize on this oversight, leading to users being unknowingly vulnerable to malicious sites masquerading as safe. While remote attack vectors are mentioned, the exact repercussions remain unspecified, leaving some level of uncertainty in the air.

Put simply

Think of it like a restaurant that still serves meals without checking if any of the ingredients have been recalled — a recipe for disaster! This vulnerability arises because Opera does not adequately handle certificate revocation checks, allowing for scenarios where an attacker could exploit these 'corner cases' to launch attacks.

What to do

An attacker could potentially capitalize on this oversight, leading to users being unknowingly vulnerable to malicious sites masquerading as safe. While remote attack vectors are mentioned, the exact repercussions remain unspecified, leaving some level of uncertainty in the air. Upgrade to Opera version 11.60 or later to ensure proper handling of certificate revocation. Encourage users to stay vigilant for updates to the browser, as maintaining an up-to-date environment is critical for security. You've got this! Stay proactive, and together we can keep the web safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05717 · 93.0th percentile
Published
2011-12-07T19:00Z
EPSS history
Timeline
  • 07 DEC 19:00Z
    Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases."
    cvelistv5