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TI-2024-14555 Aliases CVE-2024-21894GHSA-3mvj-7p7p-x4x5

Out-of-bounds write in Ivanti Connect Secure

Priority HIGH 66CWE-703Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A heap overflow vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in-order-to crash the service thereby causing a DoS attack. In certain conditions this may lead to execution of arbitrary code

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.18987 97th percentileScored 2026-11-07
Fix Fixed Connect Secure (Ivanti): 22.1R6.2, 22.2R4.2, 22.3R1.2 +10Policy Secure (Ivanti): 22.4R1.2, 22.6R1.2, 9.1R16.4 +2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
IvantiConnect Secure22.1R6.2 to before 22.1R6.2; 22.2R4.2 to before 22.2R4.2; 22.3R1.2 to before 22.3R1.2; 22.4R1.2 to before 22.4R1.2; 22.4R2.4 to before 22.4R2.4; 22.5R1.3 to before 22.5R1.3; 22.5R2.4 to before 22.5R2.4; 22.6R2.3 to before 22.6R2.3; 9.1R14.6 to before 9.1R14.6; 9.1R15.4 to before 9.1R15.4; 9.1R16.4 to before 9.1R16.4; 9.1R17.4 to before 9.1R17.4; 9.1R18.5 to before 9.1R18.522.1R6.2, 22.2R4.2, 22.3R1.2, 22.4R1.2, 22.4R2.4, 22.5R1.3, 22.5R2.4, 22.6R2.3, 9.1R14.6, 9.1R15.4, 9.1R16.4, 9.1R17.4, 9.1R18.5Patch availableCNA
IvantiPolicy Secure22.4R1.2 to before 22.4R1.2; 22.6R1.2 to before 22.6R1.2; 9.1R16.4 to before 9.1R16.4; 9.1R17.4 to before 9.1R17.4; 9.1R18.5 to before 9.1R18.522.4R1.2, 22.6R1.2, 9.1R16.4, 9.1R17.4, 9.1R18.5Patch availableCNA
  • Connect Secure VendorIvanti Affected 22.1R6.2 to before 22.1R6.2; 22.2R4.2 to before 22.2R4.2; 22.3R1.2 to before 22.3R1.2; 22.4R1.2 to before 22.4R1.2; 22.4R2.4 to before 22.4R2.4; 22.5R1.3 to before 22.5R1.3; 22.5R2.4 to before 22.5R2.4; 22.6R2.3 to before 22.6R2.3; 9.1R14.6 to before 9.1R14.6; 9.1R15.4 to before 9.1R15.4; 9.1R16.4 to before 9.1R16.4; 9.1R17.4 to before 9.1R17.4; 9.1R18.5 to before 9.1R18.5 Fixed in 22.1R6.2, 22.2R4.2, 22.3R1.2, 22.4R1.2, 22.4R2.4, 22.5R1.3, 22.5R2.4, 22.6R2.3, 9.1R14.6, 9.1R15.4, 9.1R16.4, 9.1R17.4, 9.1R18.5 Patch available CNA
  • Policy Secure VendorIvanti Affected 22.4R1.2 to before 22.4R1.2; 22.6R1.2 to before 22.6R1.2; 9.1R16.4 to before 9.1R16.4; 9.1R17.4 to before 9.1R17.4; 9.1R18.5 to before 9.1R18.5 Fixed in 22.4R1.2, 22.6R1.2, 9.1R16.4, 9.1R17.4, 9.1R18.5 Patch available CNA

CPE configurations NVD · 60

CPEVersionsRoleVendor
cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*9.1 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r10:*:*:*:*:*:*9.1 r10VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11:*:*:*:*:*:*9.1 r11VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11.5:*:*:*:*:*:*9.1 r11.5VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r12:*:*:*:*:*:*9.1 r12VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:*9.1 r13VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:lts:*:*:*9.1 r14VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:*9.1 r15VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:*9.1 r16VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:*9.1 r17VulnerableIvanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:* Versions 9.1 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r10:*:*:*:*:*:* Versions 9.1 r10 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r11:*:*:*:*:*:* Versions 9.1 r11 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r11.5:*:*:*:*:*:* Versions 9.1 r11.5 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r12:*:*:*:*:*:* Versions 9.1 r12 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:* Versions 9.1 r13 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:lts:*:*:* Versions 9.1 r14 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:* Versions 9.1 r15 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:* Versions 9.1 r16 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:* Versions 9.1 r17 Vulnerable ·Ivanti
Show 50 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ivanti:connect_secure:9.1:r18:*:*:*:*:*:*9.1 r18VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*9.1 r2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*9.1 r3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*9.1 r4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*9.1 r4.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*9.1 r4.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*9.1 r4.3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*9.1 r5VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*9.1 r6VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*9.1 r7VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*9.1 r8VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*9.1 r9VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.1:*:*:*:*:*:*:*22.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.2:*:*:*:*:*:*:*22.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.3:*:*:*:*:*:*:*22.3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.4:*:*:*:*:*:*:*22.4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.5:*:*:*:*:*:*:*22.5VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.6:*:*:*:*:*:*:*22.6VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:-:*:*:*:*:*:*9.0VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r1:*:*:*:*:*:*9.0 r1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r2:*:*:*:*:*:*9.0 r2VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r2.1:*:*:*:*:*:*9.0 r2.1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r3:*:*:*:*:*:*9.0 r3VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r3.1:*:*:*:*:*:*9.0 r3.1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.0:r4:*:*:*:*:*:*9.0 r4VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:-:*:*:*:*:*:*9.1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:*9.1 r1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r10:*:*:*:*:*:*9.1 r10VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r11:*:*:*:*:*:*9.1 r11VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r12:*:*:*:*:*:*9.1 r12VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r13:*:*:*:*:*:*9.1 r13VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r14:*:*:*:*:*:*9.1 r14VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r15:*:*:*:*:*:*9.1 r15VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r16:*:*:*:*:*:*9.1 r16VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r17:*:*:*:*:*:*9.1 r17VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r18:*:*:*:*:*:*9.1 r18VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r2:*:*:*:*:*:*9.1 r2VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r3:*:*:*:*:*:*9.1 r3VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r4:*:*:*:*:*:*9.1 r4VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r5:*:*:*:*:*:*9.1 r5VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r6:*:*:*:*:*:*9.1 r6VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r7:*:*:*:*:*:*9.1 r7VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r8:*:*:*:*:*:*9.1 r8VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:9.1:r9:*:*:*:*:*:*9.1 r9VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.1:*:*:*:*:*:*:*22.1VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.2:*:*:*:*:*:*:*22.2VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.3:*:*:*:*:*:*:*22.3VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.4:*:*:*:*:*:*:*22.4VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.5:*:*:*:*:*:*:*22.5VulnerableIvanti
cpe:2.3:a:ivanti:policy_secure:22.6:*:*:*:*:*:*:*22.6VulnerableIvanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r18:*:*:*:*:*:* Versions 9.1 r18 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:* Versions 9.1 r2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:* Versions 9.1 r3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:* Versions 9.1 r4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:* Versions 9.1 r4.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:* Versions 9.1 r4.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:* Versions 9.1 r4.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:* Versions 9.1 r5 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:* Versions 9.1 r6 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:* Versions 9.1 r7 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:* Versions 9.1 r8 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:* Versions 9.1 r9 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.1:*:*:*:*:*:*:* Versions 22.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.2:*:*:*:*:*:*:* Versions 22.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.3:*:*:*:*:*:*:* Versions 22.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.4:*:*:*:*:*:*:* Versions 22.4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.5:*:*:*:*:*:*:* Versions 22.5 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.6:*:*:*:*:*:*:* Versions 22.6 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:-:*:*:*:*:*:* Versions 9.0 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r1:*:*:*:*:*:* Versions 9.0 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r2:*:*:*:*:*:* Versions 9.0 r2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r2.1:*:*:*:*:*:* Versions 9.0 r2.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r3:*:*:*:*:*:* Versions 9.0 r3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r3.1:*:*:*:*:*:* Versions 9.0 r3.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.0:r4:*:*:*:*:*:* Versions 9.0 r4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:-:*:*:*:*:*:* Versions 9.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r1:*:*:*:*:*:* Versions 9.1 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r10:*:*:*:*:*:* Versions 9.1 r10 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r11:*:*:*:*:*:* Versions 9.1 r11 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r12:*:*:*:*:*:* Versions 9.1 r12 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r13:*:*:*:*:*:* Versions 9.1 r13 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r14:*:*:*:*:*:* Versions 9.1 r14 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r15:*:*:*:*:*:* Versions 9.1 r15 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r16:*:*:*:*:*:* Versions 9.1 r16 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r17:*:*:*:*:*:* Versions 9.1 r17 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r18:*:*:*:*:*:* Versions 9.1 r18 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r2:*:*:*:*:*:* Versions 9.1 r2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r3:*:*:*:*:*:* Versions 9.1 r3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r4:*:*:*:*:*:* Versions 9.1 r4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r5:*:*:*:*:*:* Versions 9.1 r5 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r6:*:*:*:*:*:* Versions 9.1 r6 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r7:*:*:*:*:*:* Versions 9.1 r7 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r8:*:*:*:*:*:* Versions 9.1 r8 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:9.1:r9:*:*:*:*:*:* Versions 9.1 r9 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.1:*:*:*:*:*:*:* Versions 22.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.2:*:*:*:*:*:*:* Versions 22.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.3:*:*:*:*:*:*:* Versions 22.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.4:*:*:*:*:*:*:* Versions 22.4 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.5:*:*:*:*:*:*:* Versions 22.5 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:policy_secure:22.6:*:*:*:*:*:*:* Versions 22.6 Vulnerable ·Ivanti

Remediation

  • Fix · CNA Connect Secure (Ivanti) Fixed in 22.1R6.2, 22.2R4.2, 22.3R1.2, 22.4R1.2, 22.4R2.4, 22.5R1.3, 22.5R2.4, 22.6R2.3, 9.1R14.6, 9.1R15.4, 9.1R16.4, 9.1R17.4, 9.1R18.5
  • Fix · CNA Policy Secure (Ivanti) Fixed in 22.4R1.2, 22.6R1.2, 9.1R16.4, 9.1R17.4, 9.1R18.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Ivanti Connect Secure 22.1R6.2, 22.2R4.2 and 11 more versions

    4 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2024-14671 Out-of-bounds write in Ivanti Connect SecurePriority MEDIUM 50
    • TI-2024-14670 NULL pointer dereference in Ivanti Connect SecurePriority MEDIUM 45
    • TI-2024-14644 NULL pointer dereference in Ivanti Connect SecurePriority LOW 36
    Show all 4 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-21894
  2. 2026-10-03 Alias added: GHSA-3mvj-7p7p-x4x5

References

Advisory 1

  • TI-2025-16349 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-05754 Improper authentication in Pulse Connect Secure KEVCVSS 3.1CRITICAL 10.0
  • TI-2019-08600 In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and… KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-00226 Stack-based buffer overflow in Ivanti Connect Secure KEVCVSS 3.1CRITICAL 9.0
  • TI-2024-14549 Command injection in Ivanti ICS KEVCVSS 3.1CRITICAL 9.1
  • TI-2021-05760 Command injection in Pulse Connect Secure KEVCVSS 3.1HIGH 8.8
See all 132 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences