CVE-2021-27130

Name: CVE-2021-27130
Creator: NVD / NIST
Published: 2021-04-14T15:15:13.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.23%

Last modified Jun 17, 2026

CVE-2021-27130 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.. EPSS estimates a 2.23% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.23%

80.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Janobe	Online Reviewer System	1.0

References

https://packetstormsecurity.com/files/161219/Online-Reviewer-System-1.0-SQL-Injection-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
https://packetstormsecurity.com/files/161219/Online-Reviewer-System-1.0-SQL-Injection-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry

Timeline

Published: Apr 14, 2021
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-27130?

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

How severe is CVE-2021-27130?

CVE-2021-27130 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.23% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27130?

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-2021-27130?

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

Scan your code now

Source: NVD / NIST