Is CVE-2022-20698 in the CISA KEV catalog?

No. CVE-2022-20698 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-20698?

CVE-2022-20698 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2022-20698?

CVE-2022-20698 has an EPSS score of 3.06% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-20698?

Upgrade clamav on debian 11 to 0.103.5+dfsg-0+deb11u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2022-20698

HIGHEPSS 86th pctl

7.5

CVSS v3

NVD

Description

A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.

CWE-20Improper Input Validation CWE-125Out-of-bounds Read

How to fix

Remediation Available

clamavDebian

Fixed in:0.103.5+dfsg-0+deb11u1CVE-2022-20698

Fixed in:0.103.5+dfsg-1CVE-2022-20698

clamavUbuntu

Fixed in:0.103.5+dfsg-0ubuntu0.14.04.1+esm1USN-5233-2

Fixed in:0.103.5+dfsg-0ubuntu0.16.04.1+esm1USN-5233-2

Fixed in:0.103.5+dfsg-0ubuntu0.18.04.1USN-5233-1

Fixed in:0.103.5+dfsg-1~20.04.1USN-5233-1

ClamAVWindows application

Affected:0.104.0 0.104.2Fixed in:0.104.2Cisco Systems, Inc.

Affected:0.103.5Fixed in:0.103.5Cisco Systems, Inc.

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

3.06%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Exploit1

blog.clamav.net

Other references1

security.gentoo.org

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	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.