CVE-2017-12702 json
An Externally Controlled Format String issue was discovered in Advantech WebAccess versions prior to V8.2_20170817.
published 2017-08-30 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-4241
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
An Externally Controlled Format String issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. String format specifiers based on user provided input are not properly validated, which could allow an attacker to execute arbitrary code.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-17-241-02 updated cvss 6.3
Advantech WebAccess
-
Advantech WebAccess < 8.2_20170817affected: vendor fix
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
2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Advantech WebAccess
Classification
- Weakness
-
- CWE-134 Use of Externally-Controlled Format String
References
-
ics-cert.us-cert.gov
/advisories/ICSA-17-241-02
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/100526
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-12702
- NVD CVE-2017-12702
Fencer Intel 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.