CVE-2023-39340
HIGH
7.5
CVSS Score
Published: December 16, 2023 at 01:49 AM UTC
Updated: June 17, 2026 at 06:12 AM UTC
1 product affected across 1 vendorConnect Secure
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 22.6.122.1 r122.1 r622.222.2 r122.3 r122.4 r122.4 r2.122.5 r2.122.622.6 r19.1 r19.1 r1.09.1 r109.1 r10.09.1 r10.29.1 r119.1 r11.09.1 r11.19.1 r11.39.1 r11.49.1 r11.59.1 r129.1 r12.19.1 r12.29.1 r139.1 r13.19.1 r149.1 r14.49.1 r159.1 r15.29.1 r169.1 r16.19.1 r179.1 r17.19.1 r17.29.1 r189.1 r18.19.1 r29.1 r2.09.1 r39.1 r3.09.1 r49.1 r4.09.1 r4.19.1 r4.29.1 r4.39.1 r59.1 r5.09.1 r69.1 r6.09.1 r79.1 r7.09.1 r89.1 r8.09.1 r8.19.1 r8.29.1 r8.49.1 r99.1 r9.09.1 r9.1
Affected range stops below 22.6.1, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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