Vulnerability Details : CVE-2020-12006
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.
Vulnerability category: Directory traversal
Exploit prediction scoring system (EPSS) score for CVE-2020-12006
Probability of exploitation activity in the next 30 days: 1.21%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12006
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST |
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-2020-12006
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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 such as ".." that can resolve to a location that is outside of that directory.Assigned by: ics-cert@hq.dhs.gov (Secondary)
References for CVE-2020-12006
-
https://www.zerodayinitiative.com/advisories/ZDI-20-589/
ZDI-20-589 | Zero Day InitiativeThird Party Advisory;VDB Entry
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https://www.zerodayinitiative.com/advisories/ZDI-20-605/
ZDI-20-605 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.us-cert.gov/ics/advisories/icsa-20-128-01
Advantech WebAccess Node | CISAThird Party Advisory;US Government Resource
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https://www.zerodayinitiative.com/advisories/ZDI-20-595/
ZDI-20-595 | Zero Day InitiativeThird Party Advisory;VDB Entry
Products affected by CVE-2020-12006
- cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*
- cpe:2.3:a:advantech:webaccess:9.0.0:*:*:*:*:*:*:*