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

EPSS: 0.006 (43.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.