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CVE-2004-2778

23
FAUCET Score

CVE-2004-2778 describes a vulnerability in Gentoo's ebuild system, specifically affecting Gentoo Portage. This flaw allows local users to read, write, or execute restricted files and directories due to incorrect permissions set based on package installation order. With a CVSS score of 7.1 (HIGH), this vulnerability has a low attack complexity and requires local access, but can lead to high impact on confidentiality and integrity. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 63rd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.gentoo.org / show_bug.cgi
Vendor Advisory
bugs.gentoo.org / show_bug.cgi
Vendor Advisory
bugs.gentoo.org / show_bug.cgi
Vendor Advisory
bugs.gentoo.org / show_bug.cgi
Vendor Advisory
bugs.gentoo.org / show_bug.cgi
Vendor Advisory
openwall.com / lists/oss-security/2017/01/28/7
Mailing ListThird Party Advisory