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CVE-2013-0191

18
FAUCET Score

CVE-2013-0191 describes an authentication bypass vulnerability in libpam-pgsql (aka pam_pgsql) version 0.7. The flaw arises from the software's improper handling of a NULL value returned by the password search query, allowing remote attackers to bypass authentication using a specially crafted password. This vulnerability has a CVSS score of 5.0, indicating a medium severity, with a low attack complexity and no authentication required for exploitation, potentially leading to unauthorized access. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.7CPE matchmatch criteria
cpe:2.3:a:lucas_clemente_vella:libpam-pgsql:0.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
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
1.76%
Probability of exploitation in next 30 days
EPSS Percentile
75.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0176 is in the 62nd percentile among its peer group of 23,725 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

lists.opensuse.org / opensuse-security-announce/2016-08/msg00010.html
lists.opensuse.org / opensuse-security-announce/2016-08/msg00040.html
seclists.org / oss-sec/2013/q1/86
seclists.org / oss-sec/2013/q1/99
exchange.xforce.ibmcloud.com / vulnerabilities/81363
sourceforge.net / p/pam-pgsql/bugs/13
sourceforge.net / u/lvella/pam-pgsql/ci/9361f5970e5dd90a747319995b67c2f73b91448c
ExploitPatch
securityfocus.com / bid/57440