Medium severity · published Feb 20, 2024
CVE-2023-6247
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing
6.5
CVSS
0.8%
EPSS
No
On KEV
Description
The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
O3
OpenVPN 3 Core Library · OpenVPN
3.0 through 3.8.3 · source: vendor
O3
Openvpn 3 · Openvpn
before 3.8.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6247
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6247
Patch
https://community.openvpn.net/openvpn/wiki/CVE-2023-6247
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