Vulnerability · Published May 13, 2021 · Assigned by CERTVDE

CVE-2021-20997WAGO: Managed Switches: Unauthorized access to password hashes

High 7.5

In plain English

A high-severity security flaw 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 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.0%top 36.5% 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 it is possible to read out the password hashes of all Web-based Management users.

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-522 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References