Vulnerability Details : CVE-2021-34820
Web Path Directory Traversal in the Novus HTTP Server. The Novus HTTP Server is affected by the Directory Traversal for Arbitrary File Access vulnerability. A remote, unauthenticated attacker using an HTTP GET request may be able to exploit this issue to access sensitive data. The issue was discovered in the NMS (Novus Management System) software through 1.51.2
Vulnerability category: Directory traversal
Products affected by CVE-2021-34820
- cpe:2.3:a:aat:novus_management_system:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-34820
0.56%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-34820
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-34820
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-34820
-
http://seclists.org/fulldisclosure/2021/Jul/20
Full Disclosure: Novus Managment System Vulnerabilities (CVE-2021-34820, CVE-2021-38421)Mailing List;Third Party Advisory
-
http://packetstormsecurity.com/files/163453/Novus-Management-System-Directory-Traversal-Cross-Site-Scripting.html
Novus Management System Directory Traversal / Cross Site Scripting ≈ Packet StormThird Party Advisory;VDB Entry
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