Vulnerability · Published May 24, 2021 · Assigned by CERTVDE
CVE-2021-21001WAGO: PFC200 Access to files outside the home directory
Critical 9.1
In plain English
A critical-severity path traversal in Series Ethernet Controller 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 67% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)1.1%top 33.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
On WAGO PFC200 devices in different firmware versions with special crafted packets an authorised attacker with network access to the device can access the file system with higher privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WAGO | Series PFC200 Controller | 750-823 – through FW07750-829 – through FW14750-831/000-00x – through FW14750-832/000-00x – through FW06750-852 – through FW14750-862 – through FW07750-880/0xx-xxx – through FW15750-881 – through FW14 |
| WAGO | Series Ethernet Controller | 750-8202/xxx-xxx – before 03.06.19 (18)750-8203/xxx-xxx – before 03.06.19 (18)750-8204/xxx-xxx – before 03.06.19 (18)750-8206/xxx-xxx – before 03.06.19 (18)750-8207/xxx-xxx – before 03.06.19 (18)750-8208/xxx-xxx – before 03.06.19 (18)750-8210/xxx-xxx – before 03.06.19 (18)750-8211/xxx-xxx – before 03.06.19 (18) |
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
References
- https://cert.vde.com/en-us/advisories/vde-2021-014 x_refsource_CONFIRM