CVE-2017-0356
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.28% probability · 88th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- ikiwiki/ikiwiki · debian/debian linux
- Source
- security@debian.org
EPSS 3.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/95420Third Party Advisory, VDB Entry
- https://ikiwiki.info/security/#cve-2017-0356Vendor Advisory
- https://marc.info/?l=oss-security&m=148418234314276&w=2Exploit, Third Party Advisory
- https://www.debian.org/security/2017/dsa-3760Third Party Advisory
- http://www.securityfocus.com/bid/95420Third Party Advisory, VDB Entry
- https://ikiwiki.info/security/#cve-2017-0356Vendor Advisory
- https://marc.info/?l=oss-security&m=148418234314276&w=2Exploit, Third Party Advisory
- https://www.debian.org/security/2017/dsa-3760Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.