Medium severity · published Apr 4, 2024
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…
5.3
CVSS
3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Connect Secure · Ivanti
9.1; 9.1; 9.1; 9.1; 9.1; 9.1; +22 more · source: NVD
PS
Policy Secure · Ivanti
9.0; 9.0; 9.0; 9.0; 9.0; 9.0; +26 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-22023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-22023
Vendor Advisory
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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