Vulnerability in GNOME Libzapojit
CVE-2021-39360
In GNOME libzapojit through 0.0.3, zpj-skydrive.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.007 (52.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- GNOME Libzapojit
- Fedoraproject Fedora — versions 33, 34, 35
Weakness classification (CWE)
References
- blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessiona… (Vendor Advisory)
- gitlab.gnome.org/GNOME/libzapojit/-/issues/4 (Issue Tracking, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-39360?
- CVE-2021-39360 is a medium-severity vulnerability in GNOME Libzapojit, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2021-08-22.
- How severe is CVE-2021-39360?
- Medium severity. CVSS v3 base score is 5.9 out of 10.