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CVE-2024-22023

MEDIUM
5.3
CVSS Score
Published: April 4, 2024 at 07:45 PM UTC
Updated: June 17, 2026 at 07:10 AM UTC
2 products affected across 1 vendorConnect SecurePolicy Secure

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Severity
MEDIUM5.3
Exploit prediction
EPSS 3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Connect Secure· Ivanti
95%
v < 22.1R6.2v < 22.2R4.2v < 22.3R1.2v < 22.4R1.2v < 22.4R2.4v < 22.5R1.3v < 22.5R2.4v < 22.6R2.3v < 9.1R14.6v < 9.1R15.4v < 9.1R16.4v < 9.1R17.4v < 9.1R18.522.122.1R6.222.222.2R322.2R4.222.322.3R1.222.422.4R1.222.4R2.422.522.5R1.322.5R2.422.622.6R1.222.6R2.39.1 r19.1 r109.1 r119.1 r11.59.1 r129.1 r139.1 r149.1 r159.1 r169.1 r179.1 r189.1 r29.1 r39.1 r49.1 r4.19.1 r4.29.1 r4.39.1 r59.1 r69.1 r79.1 r89.1 r99.1R14.69.1R15.49.1R17.49.1R18.5
Affected range stops below 22.1R6.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.2R4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.3R1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.4R1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.4R2.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.5R1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.5R2.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.6R2.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R14.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R15.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R16.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R17.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R18.5, so it looks safe — our inference, not a vendor statement
Policy Secure· Ivanti
95%
v < 22.4R1.2v < 22.5R1.3v < 22.6R1.2v < 9.1R16.4v < 9.1R17.4v < 9.1R18.522.122.222.322.422.4R1.222.522.5R1.322.622.6R1.29.09.0 r19.0 r29.0 r2.19.0 r39.0 r3.19.0 r49.19.1 r19.1 r109.1 r119.1 r129.1 r139.1 r149.1 r159.1 r169.1 r179.1 r189.1 r29.1 r39.1 r49.1 r59.1 r69.1 r79.1 r89.1 r99.1R16.49.1R17.49.1R18.5
Affected range stops below 22.4R1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.5R1.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.6R1.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R16.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R17.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.1R18.5, so it looks safe — our inference, not a vendor statement

References (1)

Vendor Advisory
Source: [email protected]
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

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476CWE-703

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