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CVE-2005-2946

19
FAUCET Score

CVE-2005-2946 describes a weakness in OpenSSL versions prior to 0.9.8, where the default configuration utilized MD5 for message digests instead of a cryptographically stronger algorithm. This vulnerability, affecting products like canonical openssl and ubuntu_linux, allows remote attackers to more easily forge certificates with a valid certificate authority signature. With a CVSS score of 7.5 (HIGH), it represents a significant integrity risk (I:H) that can be exploited over a network (AV:N) with low attack complexity (AC:L). Despite its severity, there is no evidence of active exploitation, no known exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.8CPE matchmatch criteria
cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*
4.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:4.10:*:*:*:*:*:*:*
5.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:5.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.84%
Probability of exploitation in next 30 days
EPSS Percentile
54.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0084 is in the 29th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ubuntuvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2005-2946

CVE-2005-2946

References

bugzilla.ubuntu.com / show_bug.cgi
Broken LinkIssue TrackingVendor Advisory
cits.rub.de / MD5Collisions
Broken Link
ubuntu.com / usn/usn-179-1
Vendor Advisory