5.9

CVE-2021-39361: gnome evolution-rss Improper Certificate Validation

CVSS: 5.9v3.1MediumModified
AliasesUBUNTU-CVE-2021-39361DEBIAN-CVE-2021-39361
Published 22-08-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-39361 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in gnome evolution-rss. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-08-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • evolution-rssAll versions (No fix recorded)
Gnome1 product
Ubuntu1 product
  • evolution-rssAll versions (No fix recorded)

3 vendors · 3 products

References

5 links