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Vulnerability record · CVE-2021-27130 · published 14 April 2021

CVE-2021-27130: Janobe online reviewer system sql injection vulnerability

Janobe · Online Reviewer System

Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.

9.8 CVSS 3.1 Critical EPSS 2.2% · top 18.1% CWE-89 · SQL injection
9.8CVSS 3.1 base score, v2 7.5
2.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://packetstormsecurity.com/files/161219/Online-Reviewer-System-1.0-SQL-Injection-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry
https://packetstormsecurity.com/files/161219/Online-Reviewer-System-1.0-SQL-Injection-Shell-Upload.html ExploitThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-27130), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.