Heap overflow in Ivanti Connect Secure IPSec allowing DoS / code exec
CVE-2024-21894 Published on April 4, 2024
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
Weakness Type
Improper Check or Handling of Exceptional Conditions
The software does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the software.
Products Associated with CVE-2024-21894
stack.watch emails you whenever new vulnerabilities are published in Ivanti Connect Secure or Ivanti Policy Secure. Just hit a watch button to start following.
Affected Versions
Ivanti Connect Secure:- Version 22.1R6.2 and below 22.1R6.2 is affected.
- Version 22.2R4.2 and below 22.2R4.2 is affected.
- Version 22.3R1.2 and below 22.3R1.2 is affected.
- Version 22.4R1.2 and below 22.4R1.2 is affected.
- Version 22.4R2.4 and below 22.4R2.4 is affected.
- Version 22.5R1.3 and below 22.5R1.3 is affected.
- Version 22.5R2.4 and below 22.5R2.4 is affected.
- Version 22.6R2.3 and below 22.6R2.3 is affected.
- Version 9.1R14.6 and below 9.1R14.6 is affected.
- Version 9.1R15.4 and below 9.1R15.4 is affected.
- Version 9.1R16.4 and below 9.1R16.4 is affected.
- Version 9.1R17.4 and below 9.1R17.4 is affected.
- Version 9.1R18.5 and below 9.1R18.5 is affected.
- Version 22.4R1.2 and below 22.4R1.2 is affected.
- Version 22.6R1.2 and below 22.6R1.2 is affected.
- Version 9.1R16.4 and below 9.1R16.4 is affected.
- Version 9.1R17.4 and below 9.1R17.4 is affected.
- Version 9.1R18.5 and below 9.1R18.5 is affected.
- Version 22.1R6.2 is affected.
- Version 22.2R4.2 is affected.
- Version 22.3R1.2 is affected.
- Version 22.4R1.2 is affected.
- Version 22.4R2.4 is affected.
- Version 22.5R1.3 is affected.
- Version 22.5R2.4 is affected.
- Version 22.6R2.3 is affected.
- Version 9.1R14.6 is affected.
- Version 9.1R15.4 is affected.
- Version 9.1R16.4 is affected.
- Version 9.1R17.4 is affected.
- Version 9.1R18.5 is affected.
- Version 22.4R1.2 is affected.
- Version 22.6R1.2 is affected.
- Version 9.1R16.4 is affected.
- Version 9.1R17.4 is affected.
- Version 9.1R18.5 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.