CVE-2021-21001
WAGO: PFC200 Access to files outside the home directory
MEDIUM
6.5
CVSS Score
Published: May 24, 2021 at 11:05 AM UTC
Updated: June 17, 2026 at 03:34 AM UTC
56 products affected across 1 vendor750-8202 Firmware750-862 Firmware750-823 Firmware
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8202 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8203 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8204 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8206 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8207 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8208 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8210 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8211 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8212 (same device)
v < 03.06.19_(18)
Affected range stops below 03.06.19_(18), so it looks safe — our inference, not a vendor statement
wago-750-8213 (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert.vde.com/en-us/advisories/vde-2021-014CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusANALYZED
CWE
CWE-22
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