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CVE-2011-3377

18
FAUCET Score

CVE-2011-3377 describes a Same Origin Policy bypass vulnerability in the IcedTea-Web browser plug-in, affecting versions 1.0.x before 1.0.6 and 1.1.x before 1.1.4 across various distributions including Canonical, OpenSUSE, and Red Hat. This medium-severity vulnerability (CVSS 4.3) allows remote attackers to execute arbitrary script or establish unintended network connections. While no active exploitation, public exploit code, or significant community discussion has been observed, the vulnerability could lead to information disclosure or integrity issues.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:redhat:icedtea-web:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:redhat:icedtea-web:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:redhat:icedtea-web:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:redhat:icedtea-web:1.0.3:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:a:redhat:icedtea-web:1.0.4:*:*:*:*:*:*:*

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
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 69th percentile among its peer group of 19,955 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: icedtea-web-0:1.0.6-1.el6_1
View patch

Vendor Advisories (1)

redhatCVE-2011-3377Moderate

IcedTea-Web: second-level domain subdomains and suffix domain SOP bypass

Nov 8, 2011

References

dbhole.wordpress.com / 2011/11/08/icedtea-web-1-0-6-and-1-1-4-security-releases-released
PatchVendor Advisory
lists.opensuse.org / opensuse-updates/2012-03/msg00028.html
rhn.redhat.com / errata/RHSA-2011-1441.html
bugzilla.redhat.com / show_bug.cgi
debian.org / security/2012/dsa-2420
osvdb.org / 76940
securityfocus.com / bid/50610
ubuntu.com / usn/USN-1263-1