Vulnerability in GNOME Evolution-Rss
CVE-2021-39361
In GNOME evolution-rss through 0.3.96, network-soup.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: 0.006 (44.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessiona… (Vendor Advisory)
- gitlab.gnome.org/GNOME/evolution-rss/-/issues/11 (Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-39361?
- CVE-2021-39361 is a medium-severity vulnerability in GNOME Evolution-Rss, classified under Improper Certificate Validation. CVSS score: 5.9/10. Published 2021-08-22.
- How severe is CVE-2021-39361?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2021-39361 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.