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CVE-2007-0003

20
FAUCET Score

CVE-2007-0003 describes a vulnerability in pam_unix.so within Linux-PAM 0.99.7.0, allowing local attackers to log into accounts if their password hash in /etc/passwd or /etc/shadow is exactly two characters long. This vulnerability carries a CVSS score of 7.2, indicating high severity due to its local attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.99.7.0CPE matchmatch criteria
cpe:2.3:o:andrew_morgan:linux_pam:0.99.7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
32.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 42nd percentile among its peer group of 3,237 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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 Advisories (1)

redhatCVE-2007-0003

CVE-2007-0003

References

osvdb.org / 32017
secunia.com / advisories/23858
exchange.xforce.ibmcloud.com / vulnerabilities/31739
redhat.com / archives/pam-list/2007-January/msg00017.html
Vendor Advisory
novell.com / linux/security/advisories/2007_3_sr.html
redhat.com / archives/fedora-devel-list/2007-January/msg01271.html
Vendor Advisory
redhat.com / archives/fedora-devel-list/2007-January/msg01277.html
Vendor Advisory
securityfocus.com / bid/22204
vupen.com / english/advisories/2007/0323