Vulnerability Details : CVE-2021-34821
Cross Site Scripting (XSS) vulnerability exists in AAT Novus Management System through 1.51.2. The WebUI has wrong HTTP 404 error handling implemented. A remote, unauthenticated attacker may be able to exploit the issue by sending malicious HTTP requests to non-existing URIs. The value of the URL path filename is copied into the HTML document as plain text tags.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-34821
- cpe:2.3:a:aat:novus_management_system:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-34821
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-34821
| 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 | |
|
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-2021-34821
-
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: nvd@nist.gov (Primary)
References for CVE-2021-34821
-
https://seclists.org/fulldisclosure/2021/Jul/20
Full Disclosure: Novus Managment System Vulnerabilities (CVE-2021-34820, CVE-2021-38421)Mailing List;Third Party Advisory
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