HIGH 7.5 Microsoft

CVE-2020-9490

Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.

Microsoft Security Update 2020-Aug: Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resource afterwards. Configuring the HTTP/2 feature via "H2Push off" will mitigate this vulnerability for unpatched servers.

Affected Products

cm1 httpd 2.4.46-5 on CBL Mariner 1.0

References

Published: 2020-08-11 · Source: Microsoft · Feed updated: 2026-08-21

This high severity vulnerability with a CVSS score of 7.5 was published on 2020-08-11 via Microsoft. EPSS score: 89.7% (top 0% of all CVEs by exploitation probability). Affected: cm1 httpd 2.4.46-5 on CBL Mariner 1.0.

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