CVE-2021-39365
CVE-2021-39365 is a medium-severity vulnerability in Gnome Grilo with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-295
- Affected product: Gnome Grilo
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-39365?
- 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.
- How severe is CVE-2021-39365?
- CVE-2021-39365 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2021-39365 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-39365?
- CVE-2021-39365 primarily affects Gnome Grilo. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-39365?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-39365 published?
- CVE-2021-39365 was published on 2021-08-22 and last updated on 2026-06-17.
References
- https://blogs.gnome.org/mcatanzaro/2021/05/25/reminder-soupsessionsync-and-soupsessionasync-default-to-no-tls-certificate-verification/
- https://gitlab.gnome.org/GNOME/grilo/-/issues/146
- https://lists.debian.org/debian-lts-announce/2021/09/msg00010.html
- https://www.debian.org/security/2021/dsa-4964
Affected products (4)
- cpe:2.3:a:gnome:grilo:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
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