CVE-2020-10631: advantech webaccess\/nms Relative Path Traversal
CVSS: 9.8v3.1CriticalModified
Published 09-04-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-10631 is a critical (CVSS 9.8) Relative Path Traversal vulnerability in advantech webaccess\/nms. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-04-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An attacker could use a specially crafted URL to delete or read files outside the WebAccess/NMS's (versions prior to 3.0.2) control.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
0.00 pp
From 1.48% on 21-09-2026
21-09-202621-10-2026
EPSS score1.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
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\/nms< 3.0.2
1 vendor · 1 product
References
1 links- www.us-cert.gov/ics/advisories/icsa-20-098-01X Refsource MISCThird Party AdvisoryUS Government Resource