Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU65274
Risk: Low
CVSSv3.1: 6.6 [CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-34821
CWE-ID:
CWE-94 - Improper Control of Generation of Code ('Code Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation within the specific configuration options for OpenVPN. A remote administrator on the local network can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall update from vendor's website.
Vulnerable software versionsSCALANCE S615 EEC: All versions
SCALANCE MUM856-1 (RoW): All versions
SCALANCE MUM856-1 (EU): All versions
SCALANCE MUM853-1 (EU): All versions
SCALANCE M876-4 (NAM): All versions
SCALANCE M876-4 (EU): All versions
SCALANCE M876-3 (ROK): All versions
SCALANCE M876-3 (EVDO): All versions
RUGGEDCOM RM1224 LTE(4G) NAM: All versions
RUGGEDCOM RM1224 LTE(4G) EU: All versions
SCALANCE M876-4: All versions
SCALANCE M874-3: All versions
SCALANCE M874-2: All versions
SCALANCE M826-2 SHDSL-Router: All versions
SCALANCE M816-1 ADSL-Router (Annex B): All versions
SCALANCE M816-1 ADSL-Router (Annex A): All versions
SCALANCE M812-1 ADSL-Router (Annex B): All versions
SCALANCE M812-1 ADSL-Router (Annex A): All versions
SCALANCE M804PB: All versions
SCALANCE S615: All versions
SCALANCE SC626-2C: before 3.0
SCALANCE SC622-2C: before 3.0
SCALANCE SC632-2C: before 3.0
SCALANCE SC636-2C: before 3.0
SCALANCE SC642-2C: before 3.0
SCALANCE SC646-2C: before 3.0
External linkshttp://cert-portal.siemens.com/productcert/txt/ssa-413565.txt
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the local network (LAN).
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.