Detections
Analytics

CVE-2021-27581

critical

Description

The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.

References

https://www.obrela.com/kentico-cms-critical-vulnerability/

https://gist.github.com/stasinopoulos/673ae3c31d703b4d67449f4d8888c686

https://kontent.ai

Details

Source: Mitre, NVD

Published: 2021-03-05

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00416