5.9

CVE-2021-39365: debian debian_linux Improper Certificate Validation

CVSS: 5.9v3.1MediumModified
AliasesMGASA-2021-0472SUSE-SU-2021:3003-1SUSE-SU-2021:3194-1
Published 22-08-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-39365 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in debian debian_linux. EPSS estimates a 0.87% chance of exploitation in the next 30 days, higher than 58% 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
0.87%
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 grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: this is similar to CVE-2016-20011.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.87%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.87% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.87%

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

Suse18 products
  • grilo&distro=SUSE Enterprise Storage 6< 0.3.4-3.3.1
  • grilo&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 0.3.4-3.3.1
  • grilo&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 0.3.4-3.3.1
  • grilo&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 0.3.4-3.3.1
  • grilo&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS< 0.3.4-3.3.1
Redhat4 products
  • grilo< 0:0.3.6-3.el8
  • grilo-debuginfo< 0:0.3.6-3.el8
  • grilo-debugsource< 0:0.3.6-3.el8
  • grilo-devel< 0:0.3.6-3.el8
Debian2 products
  • grilo< 0.3.13-1.1 | < 0.3.7-1+deb10u1 | < 0.3.13-1+deb11u1 | < 0.3.2-2+deb9u1
  • debian_linuxEOL9.0 | 10.0 | 11.0
Opensuse2 products
  • grilo&distro=openSUSE Leap 15.2< 0.3.12-lp152.2.3.1
  • grilo&distro=openSUSE Leap 15.3< 0.3.12-3.3.1
Gnome1 product
Mageia1 product
  • grilo< 0.3.14-1.mga8
Ubuntu1 product
  • grilo< 0.2.15-1ubuntu0.1~esm1 | < 0.3.4-1ubuntu0.1 | < 0.3.12-1ubuntu0.1 | < 0.3.13-1.1

7 vendors · 29 products

References

25 links
Show all 25 references