CVE-2011-2669
CVE-2011-2669 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
Mozilla Firefox prior to 3.6 has a DoS vulnerability due to an issue in the validation of certificates.
Frequently asked questions
- What is CVE-2011-2669?
- Mozilla Firefox prior to 3.6 has a DoS vulnerability due to an issue in the validation of certificates.
- How severe is CVE-2011-2669?
- CVE-2011-2669 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2011-2669 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2011-2669?
- CVE-2011-2669 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2011-2669?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2011-2669 published?
- CVE-2011-2669 was published on 2020-01-21 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
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