CVE-2021-27130
CVSS v3
9.8
CRITICAL
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
Technical details
- Published
- 2021-04-14
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.
Is CVE-2021-27130 actively exploited?
Active exploitation of CVE-2021-27130 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27130?
CVE-2021-27130 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-27130 affecting your environment?
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