high
7.5
Advisory Published
Updated

CVE-2023-39340

First published: Sat Dec 16 2023(Updated: )

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.

Credit: support@hackerone.com

Affected SoftwareAffected VersionHow to fix
Ivanti Connect Secure=22.1-r1
Ivanti Connect Secure=22.1-r6
Ivanti Connect Secure=22.2
Ivanti Connect Secure=22.2-r1
Ivanti Connect Secure=22.3-r1
Ivanti Connect Secure=22.4-r1
Ivanti Connect Secure=22.4-r2.1
Ivanti Connect Secure=22.5-r2.1
Ivanti Connect Secure=9.1-r1
Ivanti Connect Secure=9.1-r1.0
Ivanti Connect Secure=9.1-r10
Ivanti Connect Secure=9.1-r10.0
Ivanti Connect Secure=9.1-r10.2
Ivanti Connect Secure=9.1-r11
Ivanti Connect Secure=9.1-r11.0
Ivanti Connect Secure=9.1-r11.1
Ivanti Connect Secure=9.1-r11.3
Ivanti Connect Secure=9.1-r11.4
Ivanti Connect Secure=9.1-r11.5
Ivanti Connect Secure=9.1-r12
Ivanti Connect Secure=9.1-r12.1
Ivanti Connect Secure=9.1-r12.2
Ivanti Connect Secure=9.1-r13
Ivanti Connect Secure=9.1-r13.1
Ivanti Connect Secure=9.1-r14
Ivanti Connect Secure=9.1-r14.4
Ivanti Connect Secure=9.1-r15
Ivanti Connect Secure=9.1-r15.2
Ivanti Connect Secure=9.1-r16
Ivanti Connect Secure=9.1-r16.1
Ivanti Connect Secure=9.1-r17
Ivanti Connect Secure=9.1-r17.1
Ivanti Connect Secure=9.1-r17.2
Ivanti Connect Secure=9.1-r18
Ivanti Connect Secure=9.1-r18.1
Ivanti Connect Secure=9.1-r2
Ivanti Connect Secure=9.1-r2.0
Ivanti Connect Secure=9.1-r3
Ivanti Connect Secure=9.1-r3.0
Ivanti Connect Secure=9.1-r4
Ivanti Connect Secure=9.1-r4.0
Ivanti Connect Secure=9.1-r4.1
Ivanti Connect Secure=9.1-r4.2
Ivanti Connect Secure=9.1-r4.3
Ivanti Connect Secure=9.1-r5
Ivanti Connect Secure=9.1-r5.0
Ivanti Connect Secure=9.1-r6
Ivanti Connect Secure=9.1-r6.0
Ivanti Connect Secure=9.1-r7
Ivanti Connect Secure=9.1-r7.0
Ivanti Connect Secure=9.1-r8
Ivanti Connect Secure=9.1-r8.0
Ivanti Connect Secure=9.1-r8.1
Ivanti Connect Secure=9.1-r8.2
Ivanti Connect Secure=9.1-r8.4
Ivanti Connect Secure=9.1-r9
Ivanti Connect Secure=9.1-r9.0
Ivanti Connect Secure=9.1-r9.1
Ivanti Connect Secure=22.6
Ivanti Connect Secure=22.6-r1

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-39340?

    The severity of CVE-2023-39340 is assessed as critical due to its potential to cause Denial of Service (DoS) on affected Ivanti Connect Secure appliances.

  • How do I fix CVE-2023-39340?

    To fix CVE-2023-39340, upgrade to Ivanti Connect Secure version 22.6R2 or later.

  • Which versions of Ivanti Connect Secure are affected by CVE-2023-39340?

    CVE-2023-39340 affects all versions of Ivanti Connect Secure below 22.6R2.

  • What impact does CVE-2023-39340 have on my system?

    CVE-2023-39340 can lead to Denial of Service (DoS), causing system unavailability.

  • Is CVE-2023-39340 actively being exploited?

    While there are no current reports of active exploitation for CVE-2023-39340, it is recommended to apply patches to mitigate potential risks.

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