CVE-2021-39360: fedoraproject fedora Improper Certificate Validation
CVSS: 5.9v3.1MediumModified
AliasesMGASA-2021-0504SUSE-SU-2022:3266-1SUSE-SU-2022:3267-1UBUNTU-CVE-2021-39360DEBIAN-CVE-2021-39360
Published 22-08-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-39360 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in fedoraproject fedora. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.7% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (NVD)EPSS score
0.74%
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 libzapojit through 0.0.3, zpj-skydrive.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 versionsMedium 5.9Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- 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
0.74%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.74% on 19-09-2026
19-09-202619-10-2026
EPSS score0.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse4 products
- libzapojit&distro=SUSE Linux Enterprise Module for Package Hub 15 SP3< 0.0.3-150000.3.5.1
- libzapojit&distro=SUSE Linux Enterprise Software Development Kit 12 SP5< 0.0.3-5.3.1
- libzapojit&distro=SUSE Linux Enterprise Workstation Extension 12 SP5< 0.0.3-5.3.1
- libzapojit&distro=SUSE Linux Enterprise Workstation Extension 15 SP3< 0.0.3-150000.3.5.1
Debian1 product
- libzapojitAll versions (No fix recorded)
Fedoraproject1 product
- fedoraEOL33 | 34 | 35
Gnome1 product
- libzapojit≤ 0.0.3
Mageia1 product
- libzapojit< 0.0.3-9.1.mga8
Opensuse1 product
- libzapojit&distro=openSUSE Leap 15.3< 0.0.3-150000.3.5.1
Ubuntu1 product
- libzapojitAll versions (No fix recorded)
7 vendors · 10 products
