What is the CVSS score of CVE-2020-37156?

CVE-2020-37156 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Which versions of PHP are affected by CVE-2020-37156?

Organizations using BloodX 1.0 should be aware of notable risk from CVE-2020-37156 rated CVSS 6.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2020-37156?

Yes, a public proof-of-concept exploit is available for CVE-2020-37156. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2020-37156?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

PHP CVE-2020-37156

MEDIUM

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2026-02-11 disclosure@vulncheck.com

PHP Authentication Bypass

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

PoC Detected

Feb 12, 2026 - 15:10 vuln.today

Public exploit code

CVE Published

Feb 11, 2026 - 21:16 nvd

MEDIUM 6.5

DescriptionCVE.org

BloodX 1.0 contains an authentication bypass vulnerability in login.php that allows attackers to access the dashboard without valid credentials. Attackers can exploit the vulnerability by sending a crafted payload with '=''or' parameters to bypass login authentication and gain unauthorized access.

AnalysisAI

Technical ContextAI

affects login.php. BloodX 1.0 contains an authentication bypass vulnerability in login.php that allows attackers to access the dashboard without valid credentials. Attackers can exploit the vulnerability by sending a crafted payload with '=''or' parameters to bypass login authentication and gain unauthorized access.

Affected ProductsAI

Product: login.php.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2020-37156 vulnerability details – vuln.today

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PHP CVE-2020-37156

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

Affected ProductsAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code