Vulnerability · Published Nov 9, 2021 · Assigned by siemens

CVE-2021-31345

High 7.5

In plain English

A high-severity security flaw in Capital Embedded AR Classic 431-422 from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.6%top 23.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions). The total length of an UDP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on a user-defined applications that runs on top of the UDP protocol. (FSMD-2021-0006)

Affected products (as reported)

VendorProductVersions
Siemens Capital Embedded AR Classic 431-422 0 – before *
Siemens Capital Embedded AR Classic R20-11 0 – before V2303
Siemens PLUSCONTROL 1st Gen All versions

Weakness: CWE-1284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References