CVE-2020-37094

CRITICAL 9.8

EspoCRM 5.8.5 - Privilege Escalation

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

EspoCRM 5.8.5 contains an authentication vulnerability that allows attackers to access other user accounts by manipulating authorization headers. Attackers can decode and modify Basic Authorization and Espo-Authorization tokens to gain unauthorized access to administrative user information and privileges.

CWE	CWE-639
Vendor	espocrm
Product	espocrm
Published	Feb 3, 2026
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

EspoCRM / EspoCRM

5.8.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/48376 espocrm.com: https://www.espocrm.com vulncheck.com: https://www.vulncheck.com/advisories/espocrm-privilege-escalation

Credits

Besim ALTINOK, İsmail BOZKURT