Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2010-3771

22
FAUCET Score

CVE-2010-3771 describes a vulnerability in Mozilla Firefox before versions 3.5.16 and 3.6.13, and SeaMonkey before 2.0.11. This flaw allows remote attackers to execute arbitrary JavaScript with chrome privileges by injecting an ISINDEX element into an about:blank page and redirecting to a chrome: URI. With a CVSS score of 6.8, this medium-severity vulnerability could lead to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*
3.6.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*
3.6.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*
3.6.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:*
3.6.6CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.6.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.32%
Probability of exploitation in next 30 days
EPSS Percentile
81.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0232 is in the 70th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:1.9.2.13-3.el6_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.6.13-3.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.6.13-2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.2.13-3.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:3.6.13-2.el6_0
View patch
mozillavendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 4.8Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 5.5Fixed in: firefox
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux Extended Update Support 6.0Fixed in: firefox

Vendor Advisories (1)

redhatCVE-2010-3771Critical

Mozilla Chrome privilege escalation with window.open and <isindex> element (MFSA 2010-76)

Dec 9, 2010

References

lists.fedoraproject.org / pipermail/package-announce/2010-December/052022.html
lists.fedoraproject.org / pipermail/package-announce/2010-December/052032.html
lists.fedoraproject.org / pipermail/package-announce/2010-December/052502.html
lists.fedoraproject.org / pipermail/package-announce/2010-December/052504.html
lists.opensuse.org / opensuse-security-announce/2011-01/msg00002.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/42716
secunia.com / advisories/42818
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12343
support.avaya.com / css/P8/documents/100124650
debian.org / security/2010/dsa-2132
mandriva.com / security/advisories
mozilla.org / security/announce/2010/mfsa2010-76.html
Vendor Advisory
redhat.com / support/errata/RHSA-2010-0966.html
securityfocus.com / bid/45346
securitytracker.com / id
ubuntu.com / usn/USN-1019-1
vupen.com / english/advisories/2011/0030