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CVE-2011-3599

19
FAUCET Score

CVE-2011-3599 describes a vulnerability in Crypt::DSA module 1.17 and earlier for Perl, affecting products like adam_kennedy crypt_dsa and perl crypt_dsa. When /dev/random is unavailable, the module defaults to Data::Random, leading to predictable random number generation. This weakness allows remote attackers to spoof signatures or determine signing keys through brute-force attacks, with a CVSS score of 5.8 (medium severity) due to network access and medium attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.17CPE matchmatch criteria
cpe:2.3:a:adam_kennedy:crypt-dsa:*:*:*:*:*:*:*:*
0.01CPE matchmatch criteria
cpe:2.3:a:adam_kennedy:crypt-dsa:0.01:*:*:*:*:*:*:*
0.02CPE matchmatch criteria
cpe:2.3:a:adam_kennedy:crypt-dsa:0.02:*:*:*:*:*:*:*
0.03CPE matchmatch criteria
cpe:2.3:a:adam_kennedy:crypt-dsa:0.03:*:*:*:*:*:*:*
0.10CPE matchmatch criteria
cpe:2.3:a:adam_kennedy:crypt-dsa:0.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 62nd percentile among its peer group of 19,956 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 nvd_reference
View patch

References

osvdb.org / 76025
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/46275
Vendor Advisory
rt.cpan.org / Public/Bug/Display.html
Patch
openwall.com / lists/oss-security/2011/10/05/5
Patch
openwall.com / lists/oss-security/2011/10/05/9
Patch
securityfocus.com / bid/49928