CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2015-4495: Mozilla Firefox Security Feature Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2015-4495
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Moxilla Firefox allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.

CSIRTS triage

vendor: Mozillaproduct: FirefoxAuthentication bypass
What
The vulnerability allows remote attackers to bypass the Same Origin Policy to read arbitrary files or gain privileges.
Who is affected
Users of Mozilla Firefox are affected.
Urgency
Remediation is urgent as the vulnerability is actively exploited and rated critical.
Action
Update to the latest version of Mozilla Firefox.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch Firefox

Get an email when a new Firefox advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-05-25
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2015-4495

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2015-4495coverage & exploitation statusNVD · CVE.org

More from CISA Known Exploited Vulnerabilities