A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated ma…

published 2024-04-04 2y ago modified 2026-06-17 4mo ago also EUVD-2024-19505

cvss: 8.2; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 19.0%; EPSS 19.0% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code

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CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2y ago (2024-04-05)

Exploit prediction

18.99% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.0	8.2	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Ivanti Connect Secure
Ivanti Policy Secure
ivanti connect_secure
ivanti policy_secure

Classification

Weakness

CWE-703 Improper Check or Handling of Exceptional Conditions
CWE-787 Out-of-bounds Write

Technology feeds

Ivanti rss critical rss

References

forums.ivanti.com /s/article/SA-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflo
vendor-advisory

Sources

CVE List CVE-2024-21894
NVD CVE-2024-21894

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