CVE-2021-39365: debian debian_linux Improper Certificate Validation
CVSS: 5.9v3.1MediumModified
AliasesMGASA-2021-0472SUSE-SU-2021:3003-1SUSE-SU-2021:3194-1SUSE-SU-2021:3295-1RHSA-2021:4339UBUNTU-CVE-2021-39365USN-5055-1DEBIAN-CVE-2021-39365DLA-2762-1DSA-4964-1openSUSE-SU-2021:1312-1openSUSE-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.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
0.87%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-08-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSources4 sources · 5.9–7.5
- OSV · Red hatEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:NSourcesSingle source
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 score0.87%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- grilo≤ 0.3.13
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- lists.debian.org/debian-lts-announce/2021/09/msg00010.htmlMailing ListX Refsource MLISTThird Party Advisory
Show all 25 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory