Is CVE-2020-16117 in the CISA KEV catalog?

No. CVE-2020-16117 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-16117?

CVE-2020-16117 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2020-16117?

CVE-2020-16117 has an EPSS score of 2.21% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-16117?

Upgrade evolution-data-server on debian 11 to 3.36.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-16117

MEDIUMEPSS 80th pctl

5.9

CVSS v3

NVD

Description

In GNOME evolution-data-server before 3.35.91, a malicious server can crash the mail client with a NULL pointer dereference by sending an invalid (e.g., minimal) CAPABILITY line on a connection attempt. This is related to imapx_free_capability and imapx_connect_to_server.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

evolution-data-serverDebian

Fixed in:3.36.0-1CVE-2020-16117

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

2.21%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

gitlab.gnome.org

Exploit1

gitlab.gnome.org

Vendor Advisory1

gitlab.gnome.org

Third-Party Advisory1

lists.debian.org

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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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.