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CVE-2013-1670

32
FAUCET Score

CVE-2013-1670 describes a vulnerability in the Chrome Object Wrapper (COW) implementation within Mozilla Firefox and Thunderbird, including their ESR versions, that allows remote attackers to bypass read-only restrictions and perform cross-site scripting (XSS) attacks. This medium-severity vulnerability (CVSS 4.3) has a network attack vector and low impact on integrity, with no impact on confidentiality or availability. While not listed in CISA's KEV catalog, exploit code for this specific vulnerability is available in ExploitDB, and it has garnered significant community discussion and media coverage, indicating a notable level of attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 20.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
19.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:19.0:*:*:*:*:*:*:*
19.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:19.0.1:*:*:*:*:*:*:*
19.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:19.0.2:*:*:*:*:*:*:*
20.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:20.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.89%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-34363 · Aug 19, 2014
This CVE's current EPSS score of 0.1089 is in the 95th percentile among its peer group of 19,958 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

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 (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:17.0.6-2.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:17.0.6-1.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:17.0.6-1.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:17.0.6-1.el5_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:17.0.6-1.el6_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:17.0.6-2.el6_4
View patch
mozillavendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird

Vendor Advisories (1)

redhatCVE-2013-1670Moderate

Mozilla: Privileged access for content level constructor (MFSA 2013-42)

May 14, 2013

References

lists.opensuse.org / opensuse-security-announce/2013-05/msg00010.html
lists.opensuse.org / opensuse-security-announce/2013-05/msg00011.html
lists.opensuse.org / opensuse-security-announce/2013-05/msg00012.html
lists.opensuse.org / opensuse-security-announce/2013-06/msg00006.html
lists.opensuse.org / opensuse-security-announce/2013-06/msg00008.html
rhn.redhat.com / errata/RHSA-2013-0820.html
rhn.redhat.com / errata/RHSA-2013-0821.html
bugzilla.mozilla.org / show_bug.cgi
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17046
debian.org / security/2013/dsa-2699
exploit-db.com / exploits/34363
mandriva.com / security/advisories
mozilla.org / security/announce/2013/mfsa2013-42.html
Vendor Advisory
osvdb.org / 93427
securityfocus.com / bid/59865
ubuntu.com / usn/USN-1822-1
ubuntu.com / usn/USN-1823-1