Vulnerability Details : CVE-2020-7882
Using the parameter of getPFXFolderList function, attackers can see the information of authorization certification and delete the files. It occurs because the parameter contains path traversal characters(ie. '../../../')
Vulnerability category: Directory traversal
Products affected by CVE-2020-7882
- cpe:2.3:a:hancom:anysign4pc:1.1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:hancom:anysign4pc:1.1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:hancom:anysign4pc:1.1.2.7:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7882
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-2020-7882
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
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
|
KrCERT/CC |
CWE ids for CVE-2020-7882
-
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)
-
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize "../" sequences that can resolve to a location that is outside of that directory.Assigned by: vuln@krcert.or.kr (Secondary)
References for CVE-2020-7882
-
https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36344
KrCERT/CC - KISA 인터넷 보호나라&KrCERTThird Party Advisory
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