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CVE-2017-20179

29
FAUCET Score

CVE-2017-20179 is a critical vulnerability in InSTEDD Pollit version 2.3.1, specifically affecting the TourController function within the app/controllers/tour_controller.rb file. This vulnerability, rated 9.8 CVSS, allows for remote exploitation with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, and community discussion is minimal, upgrading to Pollit version 2.3.2 is strongly recommended to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
2.3.1CPE matchmatch criteria
cpe:2.3:a:instedd:pollit:2.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.74%
Probability of exploitation in next 30 days
EPSS Percentile
50.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0074 is in the 34th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / instedd/pollit/commit/6ef04f8b5972d5f16f8b86f8b53f62fac68d5498
Patch
github.com / instedd/pollit/releases/tag/2.3.2
Release Notes
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Third Party Advisory