CVE-2011-0071

CVE-2011-0071 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 5.0. 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-22.

Key facts

Description

Directory traversal vulnerability in Mozilla Firefox before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14 on Windows allows remote attackers to determine the existence of arbitrary files, and possibly load resources, via vectors involving a resource: URL.

Frequently asked questions

What is CVE-2011-0071?
Directory traversal vulnerability in Mozilla Firefox before 3.5.19 and 3.6.x before 3.6.17, Thunderbird before 3.1.10, and SeaMonkey before 2.0.14 on Windows allows remote attackers to determine the existence of arbitrary files, and possibly load resources, via vectors involving a resource: URL.
How severe is CVE-2011-0071?
CVE-2011-0071 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-0071 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0071?
CVE-2011-0071 primarily affects Mozilla Firefox. In total, 247 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0071?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-0071 published?
CVE-2011-0071 was published on 2011-05-07 and last updated on 2026-06-16.

References

Affected products (247)

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