Is CVE-2021-44227 in the CISA KEV catalog?

No. CVE-2021-44227 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-44227?

CVE-2021-44227 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2021-44227?

CVE-2021-44227 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-44227?

Upgrade mailman on ubuntu 16.04 to 1:2.1.20-1ubuntu0.6+esm3 or later.

CVE & CISA-KEV Catalog

CVE-2021-44227

HIGH

8.8

CVSS v3

NVD

Description

In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

mailmanUbuntu

Fixed in:1:2.1.20-1ubuntu0.6+esm3USN-8067-1

Fixed in:1:2.1.26-1ubuntu0.6USN-5180-1

Fixed in:1:2.1.29-1ubuntu3.1+esm2USN-8067-1

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 ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

bugs.launchpad.net

Third-Party Advisory1

lists.debian.org

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

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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.