High severity · published Dec 16, 2023
CVE-2023-39340
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…
7.5
CVSS
2.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Connect Secure · Ivanti
22.1; 22.1; 22.2; 22.2; 22.3; 22.4; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39340
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39340
Vendor Advisory
https://forums.ivanti.com/s/article/Security-fix-release-Ivanti-Connect-Secure-22-6R2-and-22-6R2-1?language=en_US
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