CVE-2021-27130
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass,...
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
- Record
CVE-2021-27130- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
- Record
CVE-2021-27130- Updated
- 2026-11-02
EUVDEUVD-2021-13898 No score
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
- Record
EUVD-2021-13898- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-38f2-9m48-4vff
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass,...
Online Reviewer System 1.0 contains a SQL injection vulnerability through authentication bypass, which may lead to a reverse shell upload.
- Record
GHSA-38f2-9m48-4vff- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-27130 is a critical vulnerability (CVSS 9.8) in Janobe Online Reviewer System, published April 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.21%, the 82nd percentile. No source names a fixed version.