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CVE-2017-0356
Authentication bypass via repeated parameters
Critical9.8EPSS 3.3%
- Published
- Updated
- Reserved
- Assigned by
- debian
Description
A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of CGI::FormBuilder, allowing an attacker to bypass authentication via repeated parameters.
Timeline
ID reserved
By debian
- 17 months later
· 17 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
- authentication bypass
- CWE-287 (opens in a new tab)All about CWE-287 and its CVEs
Affected products
References (4)
- DSA-3760 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://ikiwiki.info/security/#cve-2017-0356 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20170112 ikiwiki: CVE-2017-0356: Authentication bypass via repeated parameters (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 95420 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2017-0356)Record last updated .