AUGUST 4, 2026
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Case File

CVE-2021-26690

HIGH · CVSS 7.5 EPSS 65.31%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-06-10 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects Apache. Its EPSS score suggests a 65.3% probability of exploitation in the next 30 days. It may lead to a denial-of-service condition.

CVE
CVE-2021-26690
Severity
HIGH
CVSS
7.5
EPSS
65.31%
Apache

Original NVD Description

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

Related CVEs

Other vulnerabilities affecting the same vendor(s)