Cyber Resilience

CVE-2021-41524

High

Published: 05 October 2021

Published
05 October 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 0.0396 88.6th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-41524 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 11.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit…

more

is known to the project.

CWE(s)
CWE-476

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apache
http server
2.4.49
fedoraproject
fedora
34, 35
oracle
instantis enterprisetrack
17.1, 17.2, 17.3
netapp
cloud backup
all versions

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References