#VU64428 Cryptographic issues in SINEMA Remote Connect Server - CVE-2022-27221

Vulnerability identifier: #VU64428

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-27221

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SINEMA Remote Connect Server
Server applications / SCADA systems

Vendor: Siemens

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to a "BREACH" attack issue. A remote attacker in machine-in-the-middle can obtain plaintext secret values.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

SINEMA Remote Connect Server: before 3.1

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External links
https://cert-portal.siemens.com/productcert/txt/ssa-484086.txt

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.