CVE-2016-5661 json
Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated user…
published 2016-07-15 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-6605
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.6%
- EPSS 2.6% chance of exploitation in 30 days, percentile 85%
- public exploits
- 0
- none known
Summary
Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.
Exploit prediction
2.56% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
kb.cert.org
/vuls/id/665280
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/91765
vdb-entry
-
kb.cert.org
/vuls/id/JLAD-ABMPVA
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2016-5661
- NVD CVE-2016-5661
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.