5.3

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.0 (CVE.org)
EPSS score
3.00%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-04-2024
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last 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 versions

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 score
3.00%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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