Vulnerability Details : 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 category: Cross site scripting (XSS)
Products affected by CVE-2021-20994
- cpe:2.3:o:wago:0852-0303_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:0852-1305_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:0852-1505_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:0852-1305\/000-001_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:wago:0852-1505\/000-001_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20994
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20994
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
CERT VDE | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2021-20994
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- info@cert.vde.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-20994
-
https://cert.vde.com/en-us/advisories/vde-2021-013
WAGO: Multiple Vulnerabilities in the Web-Based Management — English (USA)Third Party Advisory
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