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CVE-2011-0453

19
FAUCET Score

CVE-2011-0453 describes an authentication bypass vulnerability in F-Secure Internet Gatekeeper for Linux versions prior to 3.03. This flaw allows remote attackers to access sensitive information, specifically reading access logs, without requiring authentication by connecting to the administrative UI port. With a CVSS score of 5.0, this vulnerability is of medium severity, indicating a low attack complexity and potential for partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.02.1221CPE matchmatch criteria
cpe:2.3:a:f-secure:internet_gatekeeper:3.02.1221:*:linux:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.35%
Probability of exploitation in next 30 days
EPSS Percentile
81.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0235 is in the 72nd percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / jvndb/JVNDB-2011-000013
Patch
jvn.jp / en/jp/JVN71542734/index.html
Patch
osvdb.org / 70898
secunia.com / advisories/43326
Vendor Advisory
f-secure.com / en_EMEA/support/security-advisory/fsc-2011-1.html
PatchVendor Advisory
vupen.com / english/advisories/2011/0393
Vendor Advisory