CVE-2021-20993 json
WAGO: Managed Switches: Exposure of sensitive information through directory listing
published 2021-05-13 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-8402
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- WAGO 0852-0303
- WAGO 0852-1305
- WAGO 0852-1505
- WAGO 0852-1305/000-001
- WAGO 0852-1505/000-001
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
cert.vde.com
/en-us/advisories/vde-2021-013
third-party-advisory
Sources
- CVE List CVE-2021-20993
- NVD CVE-2021-20993
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