Vulnerability in GNOME Libgrss
CVE-2016-20011
libgrss through 0.7.0 fails to perform TLS certificate verification when downloading feeds, allowing remote attackers to manipulate the contents of feeds without detection. This occurs because of the default behavior of SoupSessionSync.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (72.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugzilla.gnome.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
- gitlab.gnome.org/GNOME/libgrss/-/issues/4 (Issue Tracking, Vendor Advisory)
- gitlab.gnome.org/GNOME/libgrss/-/merge_requests/7.patch (Patch, Mailing List, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-20011?
- CVE-2016-20011 is a high-severity vulnerability in GNOME Libgrss, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2021-05-25.
- How severe is CVE-2016-20011?
- High severity. CVSS v3 base score is 7.5 out of 10.