Vulnerability · Published Dec 14, 2021 · Assigned by siemens

CVE-2021-42022

Medium 6.5

In plain English

A medium-severity path traversal in SIMATIC eaSie PCS 7 Skill Package from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS NVD)6.5Medium

Exploit odds (30 days)0.9%top 38.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A vulnerability has been identified in SIMATIC eaSie PCS 7 Skill Package (All versions < V21.00 SP3). When downloading files, the affected systems do not properly neutralize special elements within the pathname. An attacker could then cause the pathname to resolve to a location outside of the restricted directory on the server and read unexpected critical files. The affected file download function is disabled by default.

Affected products (as reported)

Vendor	Product	Versions
Siemens	SIMATIC eaSie PCS 7 Skill Package	All versions < V21.00 SP3

Weakness: CWE-22

References

https://cert-portal.siemens.com/productcert/pdf/ssa-199605.pdf x_refsource_MISC