Read the docs
TI-2023-20479 Aliases CVE-2023-39340GHSA-gfr7-4r5q-4qrx

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an…

Priority MEDIUM 43Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A vulnerability exists on all versions of Ivanti Connect Secure below 22.6R2 where an attacker can send a specific request which may lead to Denial of Service (DoS) of the appliance.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02376 83rd percentileScored 2026-11-07
Fix Fixed Connect Secure (Ivanti): 22.6.1

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 Secure22.6.1 to before 22.6.122.6.1Patch availableCNA
  • Connect Secure VendorIvanti Affected 22.6.1 to before 22.6.1 Fixed in 22.6.1 Patch available CNA

CPE configurations NVD · 60

CPEVersionsRoleVendor
cpe:2.3:a:ivanti:connect_secure:22.1:r1:*:*:*:*:*:*22.1 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.1:r6:*:*:*:*:*:*22.1 r6VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.2:-:*:*:*:*:*:*22.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.2:r1:*:*:*:*:*:*22.2 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.3:r1:*:*:*:*:*:*22.3 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.4:r1:*:*:*:*:*:*22.4 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.4:r2.1:*:*:*:*:*:*22.4 r2.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.5:r2.1:*:*:*:*:*:*22.5 r2.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*9.1 r1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r1.0:*:*:*:*:*:*9.1 r1.0VulnerableIvanti
  • cpe:2.3:a:ivanti:connect_secure:22.1:r1:*:*:*:*:*:* Versions 22.1 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.1:r6:*:*:*:*:*:* Versions 22.1 r6 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.2:-:*:*:*:*:*:* Versions 22.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.2:r1:*:*:*:*:*:* Versions 22.2 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.3:r1:*:*:*:*:*:* Versions 22.3 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.4:r1:*:*:*:*:*:* Versions 22.4 r1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.4:r2.1:*:*:*:*:*:* Versions 22.4 r2.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.5:r2.1:*:*:*:*:*:* Versions 22.5 r2.1 Vulnerable ·Ivanti
  • 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:r1.0:*:*:*:*:*:* Versions 9.1 r1.0 Vulnerable ·Ivanti
Show 50 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:ivanti:connect_secure:9.1:r10:*:*:*:*:*:*9.1 r10VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*9.1 r10.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*9.1 r10.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11:*:*:*:*:*:*9.1 r11VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*9.1 r11.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*9.1 r11.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*9.1 r11.3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r11.4:*:*:*:*:*:*9.1 r11.4VulnerableIvanti
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:r12.1:*:*:*:*:*:*9.1 r12.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r12.2:*:*:*:*:*:*9.1 r12.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r13:*:*:*:*:*:*9.1 r13VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r13.1:*:*:*:*:*:*9.1 r13.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:*:*:*:*9.1 r14VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r14.4:*:*:*:*:*:*9.1 r14.4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r15:*:*:*:*:*:*9.1 r15VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r15.2:*:*:*:*:*:*9.1 r15.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r16:*:*:*:*:*:*9.1 r16VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r16.1:*:*:*:*:*:*9.1 r16.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:*9.1 r17VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r17.1:*:*:*:*:*:*9.1 r17.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r17.2:*:*:*:*:*:*9.1 r17.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r18:*:*:*:*:*:*9.1 r18VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r18.1:*:*:*:*:*:*9.1 r18.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*9.1 r2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r2.0:*:*:*:*:*:*9.1 r2.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*9.1 r3VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r3.0:*:*:*:*:*:*9.1 r3.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*9.1 r4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r4.0:*:*:*:*:*:*9.1 r4.0VulnerableIvanti
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:r5.0:*:*:*:*:*:*9.1 r5.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*9.1 r6VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r6.0:*:*:*:*:*:*9.1 r6.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*9.1 r7VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r7.0:*:*:*:*:*:*9.1 r7.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*9.1 r8VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8.0:*:*:*:*:*:*9.1 r8.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*9.1 r8.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*9.1 r8.2VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*9.1 r8.4VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*9.1 r9VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r9.0:*:*:*:*:*:*9.1 r9.0VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*9.1 r9.1VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.6:-:*:*:*:*:*:*22.6VulnerableIvanti
cpe:2.3:a:ivanti:connect_secure:22.6:r1:*:*:*:*:*:*22.6 r1VulnerableIvanti
  • 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:r10.0:*:*:*:*:*:* Versions 9.1 r10.0 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:* Versions 9.1 r10.2 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:r11.0:*:*:*:*:*:* Versions 9.1 r11.0 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:* Versions 9.1 r11.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:* Versions 9.1 r11.3 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r11.4:*:*:*:*:*:* Versions 9.1 r11.4 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:r12.1:*:*:*:*:*:* Versions 9.1 r12.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r12.2:*:*:*:*:*:* Versions 9.1 r12.2 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:r13.1:*:*:*:*:*:* Versions 9.1 r13.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r14:*:*:*:*:*:* Versions 9.1 r14 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r14.4:*:*:*:*:*:* Versions 9.1 r14.4 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:r15.2:*:*:*:*:*:* Versions 9.1 r15.2 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:r16.1:*:*:*:*:*:* Versions 9.1 r16.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r17:*:*:*:*:*:* Versions 9.1 r17 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r17.1:*:*:*:*:*:* Versions 9.1 r17.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r17.2:*:*:*:*:*:* Versions 9.1 r17.2 Vulnerable ·Ivanti
  • 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:r18.1:*:*:*:*:*:* Versions 9.1 r18.1 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:r2.0:*:*:*:*:*:* Versions 9.1 r2.0 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:r3.0:*:*:*:*:*:* Versions 9.1 r3.0 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:r4.0:*:*:*:*:*:* Versions 9.1 r4.0 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:r5.0:*:*:*:*:*:* Versions 9.1 r5.0 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:r6.0:*:*:*:*:*:* Versions 9.1 r6.0 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:r7.0:*:*:*:*:*:* Versions 9.1 r7.0 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:r8.0:*:*:*:*:*:* Versions 9.1 r8.0 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:* Versions 9.1 r8.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:* Versions 9.1 r8.2 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:* Versions 9.1 r8.4 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:9.1:r9.0:*:*:*:*:*:* Versions 9.1 r9.0 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:* Versions 9.1 r9.1 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.6:-:*:*:*:*:*:* Versions 22.6 Vulnerable ·Ivanti
  • cpe:2.3:a:ivanti:connect_secure:22.6:r1:*:*:*:*:*:* Versions 22.6 r1 Vulnerable ·Ivanti

Remediation

  • Fix · CNA Connect Secure (Ivanti) Fixed in 22.6.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39340
  2. 2026-10-03 Alias added: GHSA-gfr7-4r5q-4qrx

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