Is CVE-2011-2977 being actively exploited?

CVE-2011-2977 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-2977?

CVE-2011-2977 has a CVSS 2.0 base score of 2.1 (LOW).

CVE-2011-2977

LOW · CVSS 2.1EPSS 0.3%EU EUVD

Bugzilla 3.6.x before 3.6.6, 3.7.x, 4.0.x before 4.0.2, and 4.1.x before 4.1.3 on Windows does not delete the temporary files associated with uploaded attachments, which allows local users to obtain sensitive information by reading these files. NOTE: this issue exists because of a regression in 3.6.

Key facts

CVSS score: 2.1 (v2.0)
Severity: LOW
CVSS vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS score: 0.3% (22th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-2945)
Published: August 9, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2945 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

microsoft / windows
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla
mozilla / bugzilla

References

http://secunia.com/advisories/45501(Vendor Advisory)
http://www.bugzilla.org/security/3.4.11/(Vendor Advisory)
http://www.osvdb.org/74302
http://www.securityfocus.com/bid/49042
https://bugzilla.mozilla.org/show_bug.cgi?id=660502(Patch)
https://exchange.xforce.ibmcloud.com/vulnerabilities/69037

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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