Vulnerability · Published Jan 12, 2021 · Assigned by siemens

CVE-2020-25226

Critical 9.8

In plain English

A critical-severity heap buffer overflow in SCALANCE X-200 switch family (incl. SIPLUS NET variants) from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)1.7%top 22.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0). The web server of the affected devices contains a vulnerability that may lead to a buffer overflow condition. An attacker could cause this condition on the webserver by sending a specially crafted request. The webserver could stop and not recover anymore.

Affected products (as reported)

Vendor	Product	Versions
Siemens	SCALANCE X-200 switch family (incl. SIPLUS NET variants)	All versions < V5.2.5
Siemens	SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)	All versions < V5.5.0

Weakness: CWE-122

References

https://cert-portal.siemens.com/productcert/pdf/ssa-139628.pdf x_refsource_MISC