CVE-2021-26690
High
Published: 10 June 2021
Published
10 June 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.5815
98.2th percentile
Risk Priority
50
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26690 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Oracle Instantis Enterprisetrack. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 1.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13483
Vulnerability details
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
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apache
http server
2.4.0 — 2.4.46
debian
debian linux
10.0, 9.0
fedoraproject
fedora
34, 35
oracle
enterprise manager ops center
12.4.0.0
oracle
instantis enterprisetrack
17.1, 17.2, 17.3
oracle
zfs storage appliance kit
8.8
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.