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Vulnerability · Published Apr 11, 2023 · Assigned by siemens

CVE-2023-29054

Medium 6.7

In plain English

A medium-severity security flaw in SCALANCE X200-4P IRT from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SIPLUS NET SCALANCE X202-2P IRT (All versions < V5.5.2). The SSH server on affected devices is configured to offer weak ciphers by default. This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data passed over the connection between legitimate clients and the affected device.

Affected products (as reported)

VendorProductVersions
Siemens SCALANCE X200-4P IRT All versions < V5.5.2
Siemens SCALANCE X201-3P IRT All versions < V5.5.2
Siemens SCALANCE X201-3P IRT PRO All versions < V5.5.2
Siemens SCALANCE X202-2IRT All versions < V5.5.2
Siemens SCALANCE X202-2IRT All versions < V5.5.2
Siemens SCALANCE X202-2P IRT All versions < V5.5.2
Siemens SCALANCE X202-2P IRT PRO All versions < V5.5.2
Siemens SCALANCE X204IRT All versions < V5.5.2
Siemens SCALANCE X204IRT All versions < V5.5.2
Siemens SCALANCE X204IRT PRO All versions < V5.5.2
Siemens SCALANCE XF201-3P IRT All versions < V5.5.2
Siemens SCALANCE XF202-2P IRT All versions < V5.5.2
Siemens SCALANCE XF204-2BA IRT All versions < V5.5.2
Siemens SCALANCE XF204IRT All versions < V5.5.2
Siemens SIPLUS NET SCALANCE X202-2P IRT All versions < V5.5.2

Weakness: CWE-326 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H/E:P/RL:U/RC:C

References