All vulnerabilities

Servers and applications

CVE-2017-18195

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.

Severity
Medium 5.3
Published
26 Feb 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
8.3.0
Exploit chance
11% in the next 30 daysHigher than 95% of CVEs. EPSS by FIRST, 11 Nov 2026
Attack
Over the network · No login needed · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Sources
NVD

Affected software

SoftwareAffected versions
Concrete CMSServers and applications · cpe:a:concretecms:concrete_cms
  • Every version before 8.3.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-18195
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-18195