CVE-2017-0356

Authentication bypass via repeated parameters

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Published Apr 13, 2018 CVSS 3.0 · 9.8 Critical EPSS 3.3% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ikiwiki

ikiwiki

affected

Version	Status	Constraints
`before 3.20170111`	affected	—

Configuration 1 [-]

cpe:2.3:a:ikiwiki:ikiwiki:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:7.0:::::::*
	cpe:2.3:o:debian:debian_linux:8.0:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
Debian DLA	DLA-812-1	ikiwiki security update
Debian DSA	DSA-3760-1	ikiwiki security update

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 3.3% (3.276% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.securityfocus.com/bid/95420
https://ikiwiki.info/security/#cve-2017-0356
https://marc.info/?l=oss-security&m=148418234314276&w=2
https://www.debian.org/security/2017/dsa-3760

History

Jul 11, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.10398}`	epss `{'score': 0.10038}`

Subscriptions

Debian Debian Linux

Ikiwiki Ikiwiki

Weaknesses

CWE-287

Sources

CVE record Updated: Sep 17, 2024, 2:51 AM

Status: PUBLISHED
Assigner: debian
Published: Apr 13, 2018, 3:00 PM
Updated: Sep 17, 2024, 2:51 AM
Reserved: Nov 29, 2016, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 12:57 AM

Status: Modified
Published: Apr 13, 2018, 3:29 PM
Modified: Jun 17, 2026, 12:57 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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