Is CVE-2020-1946 in the CISA KEV catalog?

No. CVE-2020-1946 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-1946?

CVE-2020-1946 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-1946?

CVE-2020-1946 has an EPSS score of 6.13% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-1946?

Upgrade spamassassin on debian 11 to 3.4.5~pre1-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-1946

CRITICALEPSS 93th pctl

9.8

CVSS v3

NVD

Description

In Apache SpamAssassin before 3.4.5, malicious rule configuration (.cf) files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA version 3.4.5, users should only use update channels or 3rd party .cf files from trusted places.

CWE-78OS Command Injection

How to fix

Remediation Available

spamassassinDebian

Fixed in:3.4.5~pre1-1CVE-2020-1946

spamassassinUbuntu

Fixed in:3.4.2-0ubuntu0.14.04.1+esm3USN-4899-2

Fixed in:3.4.2-0ubuntu0.16.04.5USN-4899-1

Fixed in:3.4.2-0ubuntu0.18.04.5USN-4899-1

Fixed in:3.4.4-1ubuntu1.1USN-4899-1

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

6.13%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory1

s.apache.org

Third-Party Advisory3

Other references3

Related Vulnerabilities

Other CWE-78 (OS Command Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-1498	Critical	9.8	100%	KEV	Fix
CVE-2014-6271	Critical	9.8	100%	KEV	Fix
CVE-2019-16920	Critical	9.8	100%	KEV	-
CVE-2022-44877	Critical	9.8	100%	KEV	Fix
CVE-2020-8515	Critical	9.8	100%	KEV	-
CVE-2020-9054	Critical	9.8	100%	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.