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CVE-2009-0357

5.0 · MEDIUM
Published Feb 4, 2009 mozilla CWE-264 EPSS 1.56% (73th pctl)

Overview

CVE-2009-0357 is a medium-severity vulnerability affecting mozilla firefox. It was published on February 4, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Mozilla Firefox before 3.0.6 and SeaMonkey before 1.1.15 do not properly restrict access from web pages to the (1) Set-Cookie and (2) Set-Cookie2 HTTP response headers, which allows remote attackers to obtain sensitive information from cookies via XMLHttpRequest calls, related to the HTTPOnly protection mechanism.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
mozilla firefox 0 Affected
mozilla seamonkey 0 Affected

Frequently Asked Questions

What is CVE-2009-0357?

CVE-2009-0357 is a medium-severity vulnerability affecting mozilla firefox. It was published on February 4, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2009-0357?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-0357?

Check the references section for vendor advisories and patches from mozilla. Update firefox to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-0357?

CyberStrike's AI-powered security agents can automatically detect CVE-2009-0357 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.