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-2011-4091

20
FAUCET Score

CVE-2011-4091 describes an authentication bypass vulnerability in the libobby server component of libnet6 (aka net6) versions prior to 1.3.14. This flaw allows unauthenticated remote attackers to access sensitive user-specific information, such as server usage patterns and color preferences, without prior authentication. With a CVSS score of 5.0 (medium severity), this vulnerability is easily exploitable over the network with low attack complexity, leading to a potential compromise of confidentiality. There is no evidence of active exploitation, nor are there known public exploits or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
11.3CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
11.2CPE matchmatch criteria
cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*
<= 1.3.13CPE matchmatch criteria
cpe:2.3:a:armin_burgmeier:net6:*:*:*:*:*:*:*:*
1.3.1CPE matchmatch criteria
cpe:2.3:a:armin_burgmeier:net6:1.3.1:*:*:*:*:*:*:*

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
2.73%
Probability of exploitation in next 30 days
EPSS Percentile
84.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0273 is in the 78th percentile among its peer group of 23,703 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

git.0x539.de
lists.opensuse.org / opensuse-updates/2012-01/msg00044.html
Third Party Advisory
lists.opensuse.org / opensuse-updates/2012-01/msg00054.html
Third Party Advisory
bugzilla.novell.com / show_bug.cgi
Issue Tracking
bugzilla.redhat.com / show_bug.cgi
Issue Tracking
openwall.com / lists/oss-security/2011/10/31/1
Mailing ListThird Party Advisory
oracle.com / technetwork/topics/security/bulletinapr2015-2511959.html
Third Party Advisory