CVE-2022-37436

MEDIUMCVSS 5.3/10EPSS 57.94%

Last modified

CVE-2022-37436 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.. EPSS estimates a 57.94% chance of exploitation in the next 30 days.

Description

Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
57.94%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheHttp Server< 2.4.55

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-37436?
Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
How severe is CVE-2022-37436?
CVE-2022-37436 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 57.94% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37436?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-37436?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST