Back to Database
Status published
Unknown
CVE-2016-20021
In Gentoo Portage before 3.0.47, there is missing PGP validation...
Vulnerability Description
In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2016-20021
Credits & Attribution
No credits recorded in the NVD database.
References
More from gentoo
View All →CVE-2023-28424
Soko SQL Injection vulnerability
Critical
9.1
CVE-2023-26033
Gentoo soko contains DoS attack based on SQL Injection
High
7.5
CVE-2020-36770
pkg_postinst in the Gentoo ebuild for Slurm through 22.05.3 unnecessarily...
Unknown
0
CVE-2019-20384
Gentoo Portage through 2.3.84 allows local users to place a...
Medium
5.5
CVE-2017-14484
The Gentoo sci-mathematics/gimps package before 28.10-r1 for Great Internet Mersenne...
High
7.3
Affected Vendor
gentoo
View all reports →Affected Software
portage
Vulnerable Versions:
0
Timeline
Official Publish:
January 12th, 2024
Last Modified:
June 3rd, 2025
Added to House:
July 20th, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.