CVE-2021-22674 json
The affected product is vulnerable to a relative path traversal condition, which may allow an attacker access to unauthorized files and dir…
published 2021-08-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9810
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
The affected product is vulnerable to a relative path traversal condition, which may allow an attacker access to unauthorized files and directories on the WebAccess/SCADA (WebAccess/SCADA versions prior to 8.4.5, WebAccess/SCADA versions prior to 9.0.1).
Patch / fix
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-217-04 updated cvss 6.5
Advantech WebAccess SCADA
-
Advantech WebAccess/SCADA < 9.0.1, < 8.4.5affected: mitigation “Advantech recommends users running version 8 of the software to update to Version 8.4.5” advantech.tw
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- n/a WebAccess/SCADA
Classification
References
-
us-cert.cisa.gov
/ics/advisories/icsa-21-217-04
patch, third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-22674
- NVD CVE-2021-22674
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.