CVE-2017-18195

Name: CVE-2017-18195
Creator: NVD / NIST
Published: 2018-02-26T17:29:00.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 11.12%

Last modified Jun 17, 2026

CVE-2017-18195 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvID' integers.. EPSS estimates a 11.12% chance of exploitation in the next 30 days.

Description

An issue was discovered in tools/conversations/view_ajax.php in Concrete5 before 8.3.0. An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/view_ajax with incremental 'cnvID' integers.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

11.12%

95.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Concretecms	Concrete Cms	< 8.3.0

References

https://github.com/concrete5/concrete5/pull/6008/filesPatch, Third Party Advisory
https://github.com/concrete5/concrete5/releases/tag/8.3.0Release Notes, Third Party Advisory
https://github.com/r3naissance/NSE/blob/master/http-vuln-cve2017-18195.nseExploit, Third Party Advisory
https://www.exploit-db.com/exploits/44194/Exploit, Third Party Advisory, VDB Entry
https://github.com/concrete5/concrete5/pull/6008/filesPatch, Third Party Advisory
https://github.com/concrete5/concrete5/releases/tag/8.3.0Release Notes, Third Party Advisory
https://github.com/r3naissance/NSE/blob/master/http-vuln-cve2017-18195.nseExploit, Third Party Advisory
https://www.exploit-db.com/exploits/44194/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Feb 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-18195?

How severe is CVE-2017-18195?

CVE-2017-18195 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 11.12% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18195?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18195?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST