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CVE-2008-4977

18
FAUCET Score

CVE-2008-4977 describes a symlink attack vulnerability in postfix_groups.pl within Postfix 2.5.2, allowing local users to overwrite arbitrary files through temporary files in /tmp. With a CVSS score of 6.9 (High), this vulnerability has a local attack vector, medium complexity, and high impact on confidentiality, integrity, and availability. Despite the vendor disputing its severity due to requiring script modification, there is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5.2CPE matchmatch criteria
cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
30.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 46th percentile among its peer group of 1,595 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, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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

Vendor Advisories (1)

redhatCVE-2008-4977

CVE-2008-4977

References

bugs.debian.org / 496401
dev.gentoo.org / ~rbu/security/debiantemp/postfix
Exploit
bugs.gentoo.org / show_bug.cgi
bugs.gentoo.org / show_bug.cgi
openwall.com / lists/oss-security/2008/10/30/2