How severe is CVE-2024-22023?

CVE-2024-22023 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-22023 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-22023?

CVE-2024-22023 primarily affects Ivanti Connect Secure. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-22023?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-22023 have an EU (EUVD) identifier?

Yes. CVE-2024-22023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19629.

When was CVE-2024-22023 published?

CVE-2024-22023 was published on 2024-04-04 and last updated on 2026-06-17.

CVE-2024-22023

CVE-2024-22023 is a medium-severity vulnerability in Ivanti Connect Secure with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-19629
Weakness: CWE-476
Affected product: Ivanti Connect Secure
Published: 2024-04-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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 crafted XML requests in-order-to temporarily cause resource exhaustion thereby resulting in a limited-time DoS.
How severe is CVE-2024-22023?: CVE-2024-22023 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-22023 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-22023?: CVE-2024-22023 primarily affects Ivanti Connect Secure. In total, 60 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-22023?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-22023 have an EU (EUVD) identifier?: Yes. CVE-2024-22023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19629.
When was CVE-2024-22023 published?: CVE-2024-22023 was published on 2024-04-04 and last updated on 2026-06-17.

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

Affected products (60)

cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r10:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r11.5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r12:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:lts:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r18:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.1:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.2:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.3:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.4:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.5:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:connect_secure:22.6:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r2:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r2.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r3:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r3.1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.0:r4:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.1:-:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.1:r10:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.1:r11:*:*:*:*:*:*
cpe:2.3:a:ivanti:policy_secure:9.1:r12:*:*:*:*:*:*

More vulnerabilities in Ivanti Connect Secure

CVE-2021-22893 — Critical (CVSS 10.0): Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the…
CVE-2019-11510 — Critical (CVSS 10.0): In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an…
CVE-2016-4787 — Critical (CVSS 10.0): Pulse Connect Secure (PCS) 8.2 before 8.2r1, 8.1 before 8.1r2, 8.0 before 8.0r10, and 7.4 before 7.4r13.4 allow remote…
CVE-2025-22467 — Critical (CVSS 9.9): A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker…
CVE-2024-21894 — Critical (CVSS 9.8): A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows…
CVE-2018-20813 — Critical (CVSS 9.8): An input validation issue has been found with login_meeting.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R2.

All CVEs affecting Ivanti Connect Secure →

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Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →