Is CVE-2020-16121 in the CISA KEV catalog?

No. CVE-2020-16121 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-16121?

CVE-2020-16121 has a CVSS v3 base score of 3.3 (LOW).

What is the EPSS score for CVE-2020-16121?

CVE-2020-16121 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-16121?

Upgrade packagekit on debian 11 to 1.2.1-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-16121

LOW

3.3

CVSS v3

NVD

Description

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.

CWE-209

How to fix

Remediation Available

packagekitDebian

Fixed in:1.2.1-1CVE-2020-16121

packagekitUbuntu

Fixed in:0.8.17-4ubuntu6~gcc5.4ubuntu1.5USN-4538-1

Fixed in:1.1.9-1ubuntu2.18.04.6USN-4538-1

Fixed in:1.1.13-2ubuntu1.1USN-4538-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Exploit1

eyecontrol.nl

Third-Party Advisory1

bugs.launchpad.net

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-29059	High	7.5	99%	KEV	-
CVE-2021-22145	Medium	6.5	76%	-	-
CVE-2010-3332	Medium	6.4	67%	-	-
CVE-2025-62168	Critical	10.0	63%	-	Fix
CVE-2013-7331	Medium	6.5	58%	KEV	-
CVE-2025-47813	Medium	4.3	56%	KEV	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.