How severe is CVE-2004-2778?

CVE-2004-2778 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2004-2778 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2778?

CVE-2004-2778 affects Gentoo Portage. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-2778?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-2778 published?

CVE-2004-2778 was published on 2017-06-27 and last updated on 2026-06-16.

CVE-2004-2778

CVE-2004-2778 is a high-severity vulnerability in Gentoo Portage with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 3.6
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Gentoo Portage
Published: 2017-06-27
Last modified: 2026-06-16

Description

Ebuild in Gentoo may change directory and file permissions depending on the order of installed packages, which allows local users to read or write to restricted directories or execute restricted commands via navigating to the affected directories, or executing the affected commands.

Frequently asked questions

What is CVE-2004-2778?: Ebuild in Gentoo may change directory and file permissions depending on the order of installed packages, which allows local users to read or write to restricted directories or execute restricted commands via navigating to the affected directories, or executing the affected commands.
How severe is CVE-2004-2778?: CVE-2004-2778 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2004-2778 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2778?: CVE-2004-2778 affects Gentoo Portage. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2778?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-2778 published?: CVE-2004-2778 was published on 2017-06-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*

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