CVE-2024-22023: ivanti connect_secure NULL Pointer Dereference
CVSS: 5.3v3.0MediumModified
Published 04-04-2024Last modified 03-10-2024
Vulnerability summary
CVE-2024-22023 is a medium (CVSS 5.3) NULL Pointer Dereference vulnerability in ivanti connect_secure. EPSS estimates a 3.00% chance of exploitation in the next 30 days, higher than 87.2% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (CVE.org)EPSS score
3.00%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-04-2024PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesSingle source
Medium 5.3Preferred score · CVE.org (CNA)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST5.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
3.00%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.00% on 21-09-2026
21-09-202621-10-2026
EPSS score3.00%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ivanti2 products
- connect_secure≥ 22.1R6.2, < 22.1R6.2 | ≥ 22.2R4.2, < 22.2R4.2 | ≥ 22.3R1.2, < 22.3R1.2 | ≥ 22.4R1.2, < 22.4R1.2 | ≥ 22.4R2.4, < 22.4R2.4 | ≥ 22.5R1.3, < 22.5R1.3 | ≥ 22.5R2.4, < 22.5R2.4 | ≥ 22.6R2.3, < 22.6R2.3 | ≥ 9.1R14.6, < 9.1R14.6 | ≥ 9.1R15.4, < 9.1R15.4 | ≥ 9.1R16.4, < 9.1R16.4 | ≥ 9.1R17.4, < 9.1R17.4 | ≥ 9.1R18.5, < 9.1R18.5 | 9.1:r1 | 9.1:r1.0 | 9.1:r11 | 9.1:r11.5 | 9.1:r12 | 9.1:r13 | 9.1:r14 | 9.1:r15 | 9.1:r16 | 9.1:r17 | 9.1:r18 | 9.1:r2 | 9.1:r3 | 9.1:r4 | 9.1:r4.1 | 9.1:r4.2 | 9.1:r4.3 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r8 | 9.1:r9 | 22.1 | 22.2 | 22.3 | 22.4 | 22.5 | 22.6
- policy_secure≥ 22.4R1.2, < 22.4R1.2 | ≥ 22.5R1.3, < 22.5R1.3 | ≥ 22.6R1.2, < 22.6R1.2 | ≥ 9.1R16.4, < 9.1R16.4 | ≥ 9.1R17.4, < 9.1R17.4 | ≥ 9.1R18.5, < 9.1R18.5 | 9.0 | 9.0:r1 | 9.0:r2 | 9.0:r2.1 | 9.0:r3 | 9.0:r3.1 | 9.0:r4 | 9.1 | 9.1:r1 | 9.1:r10 | 9.1:r11 | 9.1:r12 | 9.1:r13 | 9.1:r14 | 9.1:r15 | 9.1:r16 | 9.1:r17 | 9.1:r18 | 9.1:r2 | 9.1:r3 | 9.1:r4 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r8 | 9.1:r9 | 22.1 | 22.2 | 22.3 | 22.4 | 22.5 | 22.6
1 vendor · 2 products
References
1 links- forums.ivanti.com/s/…Vendor Advisory