Vulnerability Details : CVE-2021-20796
Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.
Vulnerability category: Directory traversal
Products affected by CVE-2021-20796
- cpe:2.3:a:cybozu:remote_service_manager:3.1.8:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20796
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20796
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2021-20796
-
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-2021-20796
-
https://kb.cybozu.support/article/37427
不具合情報公開サイトVendor Advisory
-
https://jvn.jp/en/jp/JVN52694228/index.html
JVN#52694228: Multiple vulnerabilities in Cybozu Remote ServiceThird Party Advisory
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