What is CVE-2020-37094?

CVE-2020-37094 is a critical-severity vulnerability in Espocrm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-02-03.

How severe is CVE-2020-37094?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Espocrm

CVE-2020-37094

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 una…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.005 (65.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Espocrm — versions 5.8.5

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

ExploitDB-48376 (exploit)
EspoCRM Official Vendor Homepage (product)
VulnCheck Advisory: EspoCRM 5.8.5 - Privilege Escalation (third-party-advisory)

Frequently asked questions

What is CVE-2020-37094?: CVE-2020-37094 is a critical-severity vulnerability in Espocrm, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2026-02-03.
How severe is CVE-2020-37094?: Critical severity. CVSS v3 base score is 9.8 out of 10.