Information disclosure in Wago 0852-0303
CVE-2021-20993
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Wago 0852-0303 — versions unspecified
- Wago 0852-0303 Firmware
- Wago 0852-1305 — versions unspecified
- Wago 0852-1305/000-001 — versions unspecified
- Wago 0852-1305\/000-001
- Wago 0852-1305\/000-001 Firmware
- Wago 0852-1305 Firmware
- Wago 0852-1505 — versions unspecified
- Wago 0852-1505/000-001 — versions unspecified
- Wago 0852-1505\/000-001
Weakness classification (CWE)
References
- cert.vde.com/en-us/advisories/vde-2021-013 (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20993?
- CVE-2021-20993 is a medium-severity vulnerability in Wago 0852-0303, classified under Information Disclosure. CVSS score: 5.3/10. Published 2021-05-13.
- How severe is CVE-2021-20993?
- Medium severity. CVSS v3 base score is 5.3 out of 10.