Is CVE-2020-3481 in the CISA KEV catalog?

No. CVE-2020-3481 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-3481?

CVE-2020-3481 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2020-3481?

CVE-2020-3481 has an EPSS score of 3.20% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-3481?

Upgrade clamav on debian 11 to 0.102.4+dfsg-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2020-3481

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

clamavDebian

Fixed in:0.102.4+dfsg-1CVE-2020-3481

clamavUbuntu

Fixed in:0.102.4+dfsg-0ubuntu0.14.04.1+esm1USN-4435-2

Fixed in:0.102.4+dfsg-0ubuntu0.16.04.1USN-4435-1

Fixed in:0.102.4+dfsg-0ubuntu0.18.04.1USN-4435-1

Fixed in:0.102.4+dfsg-0ubuntu0.20.04.1USN-4435-1

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

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

3.20%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory1

blog.clamav.net

Third-Party Advisory4

Other references2

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.