What is CVE-2024-22023?

CVE-2024-22023 is a medium-severity vulnerability in Ivanti Connect Secure, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2024-04-04.

How severe is CVE-2024-22023?

Medium severity. CVSS v3 base score is 5.3 out of 10.

NULL pointer dereference in Ivanti Connect Secure

CVE-2024-22023

An XML entity expansion or XEE vulnerability in SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated attacker to send specially crafted XML requests in-order-to temporarily cause resource exhaustion thereby resulting in a limited-time DoS.

Published 2024-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.030 (86.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Ivanti Connect Secure — versions 22.1R6.2, 22.2R4.2, 22.3R1.2
Ivanti Connect Secure — versions 9.1, 22.1, 22.2
Ivanti Policy Secure — versions 22.4R1.2, 22.5R1.3, 22.6R1.2
Ivanti Policy Secure — versions 9.0, 9.1, 22.1

Weakness classification (CWE)

References

forums.ivanti.com/s/article/New-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Nul… (Vendor Advisory)

Frequently asked questions

What is CVE-2024-22023?: CVE-2024-22023 is a medium-severity vulnerability in Ivanti Connect Secure, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2024-04-04.
How severe is CVE-2024-22023?: Medium severity. CVSS v3 base score is 5.3 out of 10.