XSS in Wago 0852-0303
CVE-2021-20994
In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (46.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
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
- info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-20994?
- CVE-2021-20994 is a high-severity vulnerability in Wago 0852-0303, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2021-05-13.
- How severe is CVE-2021-20994?
- High severity. CVSS v3 base score is 8.8 out of 10.