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CVE-2021-21001

CRITICAL
Published 2021-05-24T11:05:06.147811Z
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Expert Analysis

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CVSS Score

V3.1
9.1
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.545
Higher than 54.5% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

WAGO

Series PFC200 Controller

Affected Versions:

750-823 750-829 750-831/000-00x 750-832/000-00x 750-852 750-862 750-880/0xx-xxx 750-881 750-882 750-885/0xx-xxx 750-889 750-890/0xx-xxx 750-891 750-893
WAGO

Series Ethernet Controller

Affected Versions:

750-8202/xxx-xxx 750-8203/xxx-xxx 750-8204/xxx-xxx 750-8206/xxx-xxx 750-8207/xxx-xxx 750-8208/xxx-xxx 750-8210/xxx-xxx 750-8211/xxx-xxx 750-8212/xxx-xxx 750-8213/xxx-xxx 750-8214/xxx-xxx 750-8216/xxx-xxx 750-8217/xxx-xxx

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-52pm-rch7-vfc5

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-21001
WEB https://cert.vde.com/en-us/advisories/vde-2021-014

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: August 15, 2025

References

https://cert.vde.com/en-us/advisories/vde-2021-014
Published: 2021-05-24T11:05:06.147811Z
Last Modified: 2024-09-16T16:19:02.930Z
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