Vulnerability · Published May 13, 2021 · Assigned by CERTVDE

CVE-2021-20994WAGO: Managed Switches: Reflected Cross-site Scripting

High 8.8

In plain English

A high-severity cross-site scripting in 0852-0303 from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.

Affected products (as reported)

VendorProductVersions
WAGO 0852-0303 unspecified – through V1.2.3.S0
WAGO 0852-1305 unspecified – through V1.1.7.S0
WAGO 0852-1505 unspecified – through V1.1.6.S0
WAGO 0852-1305/000-001 unspecified – through V1.0.4.S0
WAGO 0852-1505/000-001 unspecified – through V1.0.4.S0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References