CVE-2021-20993

WAGO: Managed Switches: Exposure of sensitive information through directory listing

MEDIUM
5.3
CVSS Score
Published: May 13, 2021 at 01:45 PM UTC
Updated: June 17, 2026 at 03:34 AM UTC
10 products affected across 1 vendor0852-1305 Firmware0852-1505 /000-001 Firmware0852-1505 Firmware

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%

Description

In multiple managed switches by WAGO in different versions the activated directory listing provides an attacker with the index of the resources located inside the directory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 1.2.3.s0
wago-0852-0303 (same device)
v ≤ 1.0.4.s0
wago-0852-1305-000-001 (same device)
v ≤ 1.1.7.s0
wago-0852-1305 (same device)
v ≤ 1.0.4.s0
wago-0852-1505-000-001 (same device)
v ≤ 1.1.6.s0
wago-0852-1505 (same device)
v ≤ V1.2.3.S0
v ≤ V1.1.7.S0
v ≤ V1.0.4.S0
v ≤ V1.1.6.S0
v ≤ V1.0.4.S0

Remediation

No guide yet

No 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
https://cert.vde.com/en-us/advisories/vde-2021-013

CVSS

5.3MEDIUMCERTVDE
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

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