Vulnerability Details : CVE-2021-3823
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.
Vulnerability category: Directory traversalExecute code
Products affected by CVE-2021-3823
- cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3823
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3823
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
2.5
|
4.0
|
Bitdefender | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-3823
-
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:
- cve-requests@bitdefender.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-3823
-
https://www.bitdefender.com/support/security-advisories/path-traversal-vulnerability-in-bitdefender-gravitzone-update-server-in-relay-mode-va-10039/
Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode (VA-10039) - BitdefenderVendor Advisory
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