Is CVE-2022-28615 in the CISA KEV catalog?

No. CVE-2022-28615 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-28615?

CVE-2022-28615 has a CVSS v3 base score of 9.1 (CRITICAL).

What is the EPSS score for CVE-2022-28615?

CVE-2022-28615 has an EPSS score of 5.73% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-28615?

Upgrade apache2 on debian 11 to 2.4.54-1~deb11u1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2022-28615

CRITICALEPSS 92th pctl

9.1

CVSS v3

NVD

Description

Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed with the server can be coerced into such a call, third-party modules or lua scripts that use ap_strcmp_match() may hypothetically be affected.

CWE-190Integer Overflow

How to fix

Remediation Available

apache2Debian

Fixed in:2.4.54-1~deb11u1CVE-2022-28615

Fixed in:2.4.54-1CVE-2022-28615

apache2Ubuntu

Fixed in:2.4.7-1ubuntu4.22+esm5USN-5487-1

Fixed in:2.4.7-1ubuntu4.22+esm8USN-5487-3

Fixed in:2.4.18-2ubuntu3.17+esm7USN-5487-3

Fixed in:2.4.18-2ubuntu3.17+esm6USN-5487-1

Fixed in:2.4.29-1ubuntu4.24USN-5487-1

Fixed in:2.4.29-1ubuntu4.25USN-5487-3

Fixed in:2.4.41-4ubuntu3.12USN-5487-1

Fixed in:2.4.52-1ubuntu4.1USN-5487-1

apache2-binUbuntu

Fixed in:2.4.7-1ubuntu4.22+esm8USN-5487-3

Fixed in:2.4.7-1ubuntu4.22+esm5USN-5487-1

Fixed in:2.4.18-2ubuntu3.17+esm6USN-5487-1

Fixed in:2.4.18-2ubuntu3.17+esm7USN-5487-3

Fixed in:2.4.29-1ubuntu4.25USN-5487-3

Fixed in:2.4.29-1ubuntu4.24USN-5487-1

Fixed in:2.4.41-4ubuntu3.12USN-5487-1

Fixed in:2.4.52-1ubuntu4.1USN-5487-1

Apache Lounge httpdWindows application

Affected:2.4.54Fixed in:2.4.54Apache Lounge

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

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

5.73%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

httpd.apache.org

Third-Party Advisory5

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	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 2025-12-18.