High severity · published Jul 8, 2024
CVE-2024-27459
The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges
7.8
CVSS
8.3%
EPSS
No
On KEV
Description
The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)8.3% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OG
OpenVPN GUI · OpenVPN
2.6.9 and earlier · source: vendor, CISA
OP
Openvpn · Openvpn
before 2.5.10; 2.6.0 before 2.6.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-27459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-27459
Vendor Advisory
https://community.openvpn.net/openvpn/wiki/CVE-2024-27459
Vendor Advisory
https://openvpn.net/security-advisory/ovpnx-vulnerability-cve-2024-27903-cve-2024-27459-cve-2024-24974/
Mailing List
https://www.mail-archive.com/openvpn-users@lists.sourceforge.net/msg07534.html
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