Is CVE-2008-0456 in the CISA KEV catalog?

No. CVE-2008-0456 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-0456?

CVE-2008-0456 has a CVSS v2 base score of 2.6 (LOW).

What is the EPSS score for CVE-2008-0456?

CVE-2008-0456 has an EPSS score of 19.04% (97th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-0456?

Upgrade httpd to 2.2.12 or later.

CVE & CISA-KEV Catalog

CVE-2008-0456

LOWEPSS 97th pctl

2.6

CVSS v2

NVD

Description

CRLF injection vulnerability in the mod_negotiation module in the Apache HTTP Server 2.2.6 and earlier in the 2.2.x series, 2.0.61 and earlier in the 2.0.x series, and 1.3.39 and earlier in the 1.3.x series allows remote authenticated users to inject arbitrary HTTP headers and conduct HTTP response splitting attacks by uploading a file with a multi-line name containing HTTP header sequences and a file extension, which leads to injection within a (1) "406 Not Acceptable" or (2) "300 Multiple Choices" HTTP response when the extension is omitted in a request for the file.

CWE-74Injection

How to fix

Remediation Available

httpdWindows application

Affected:2.2.0 2.2.12Fixed in:2.2.12Apache Lounge

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

19.04%probability of exploitation in 30 days

97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	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 2026-04-23.