CVE-2021-37597
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
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
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
- Record
CVE-2021-37597- 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-287
- Updated
- 2026-11-02
CVE List No score
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
- Record
CVE-2021-37597- Updated
- 2026-11-02
EUVDEUVD-2021-24155 No score
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
- Record
EUVD-2021-24155- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hwhr-mg66-h8cp No score
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
WP Cerber before 8.9.3 allows MFA bypass via wordpress_logged_in_[hash] manipulation.
- Record
GHSA-hwhr-mg66-h8cp- Weakness
- CWE-287
- 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-2021-37597 is a critical vulnerability (CVSS 9.8) in Wpcerber Wp Cerber, published August 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 82nd percentile. No source names a fixed version.