CVE-2020-12010: advantech webaccess Relative Path Traversal
Modified
Published 08-05-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-12010 is a high (CVSS 7.1) Relative Path Traversal vulnerability in advantech webaccess. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
1.03%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 08-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow an authenticated user to use a specially crafted file to delete files outside the application’s control.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HSourcesSingle source
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 1.01% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-23Relative Path TraversalThe 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.
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')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.
Affected systems
Advantech1 product
- webaccess≤ 8.4.4 | 9.0.0
1 vendor · 1 product
References
1 links- www.us-cert.gov/ics/advisories/icsa-20-128-01X Refsource MISCThird Party AdvisoryUS Government Resource