XEE DoS in Ivanti Connect Secure SAML component
CVE-2024-22023 Published on April 4, 2024
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.
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-2024-22023
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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 22.5R1.3 and below 22.5R1.3 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 9.1R18.5 is affected.
- Version 22.6R2.3 is affected.
- Version 9.1R17.4 is affected.
- Version 22.2R3 is affected.
- Version 22.5R2.4 is affected.
- Version 9.1R14.6 is affected.
- Version 9.1R15.4 is affected.
- Version 22.2R4.2 is affected.
- Version 22.4R1.2 is affected.
- Version 22.6R1.2 is affected.
- Version 22.1R6.2 is affected.
- Version 22.3R1.2 is affected.
- Version 22.4R2.4 is affected.
- Version 22.5R1.3 is affected.
- Version 22.4R1.2 is affected.
- Version 22.5R1.3 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.