Is CVE-2021-39365 in the CISA KEV catalog?

No. CVE-2021-39365 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39365?

CVE-2021-39365 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2021-39365?

CVE-2021-39365 has an EPSS score of 0.87% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39365?

Upgrade grilo on debian 11 to 0.3.13-1+deb11u1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-39365

MEDIUM

5.9

CVSS v3

NVD

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.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

griloDebian

Fixed in:0.3.13-1+deb11u1CVE-2021-39365

Fixed in:0.3.13-1.1CVE-2021-39365

griloUbuntu

Fixed in:0.2.15-1ubuntu0.1~esm1USN-5055-1

Fixed in:0.3.4-1ubuntu0.1USN-5055-1

Fixed in:0.3.12-1ubuntu0.1USN-5055-1

libgrilo-0.2-1Ubuntu

Fixed in:0.2.15-1ubuntu0.1~esm1USN-5055-1

libgrilo-0.3-0Ubuntu

Fixed in:0.3.4-1ubuntu0.1USN-5055-1

Fixed in:0.3.12-1ubuntu0.1USN-5055-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.87%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Patch1

gitlab.gnome.org

Vendor Advisory1

blogs.gnome.org

Third-Party Advisory2

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.