Vulnerability · Published May 13, 2021 · Assigned by CERTVDE
CVE-2021-20998WAGO: Managed Switches: Unauthorized creation of user accounts
Critical 10.0
In plain English
A critical-severity missing authentication 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 1.1% (higher than 66% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)1.1%top 33.9% 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 without authorization and with specially crafted packets it is possible to create users.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2021-013 x_refsource_CONFIRM