How severe is CVE-2020-37094?

CVE-2020-37094 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-37094 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-37094?

CVE-2020-37094 affects Espocrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-37094?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2020-37094 have an EU (EUVD) identifier?

Yes. CVE-2020-37094 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31008.

When was CVE-2020-37094 published?

CVE-2020-37094 was published on 2026-02-03 and last updated on 2026-06-17.

CVE-2020-37094

CVE-2020-37094 is a critical-severity vulnerability in Espocrm with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 8.7
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31008
Weakness: CWE-639
Affected product: Espocrm
Published: 2026-02-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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 unauthorized access to administrative user information and privileges.
How severe is CVE-2020-37094?: CVE-2020-37094 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-37094 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-37094?: CVE-2020-37094 affects Espocrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-37094?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-37094 have an EU (EUVD) identifier?: Yes. CVE-2020-37094 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31008.
When was CVE-2020-37094 published?: CVE-2020-37094 was published on 2026-02-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:espocrm:espocrm:*:*:*:*:*:*:*:*

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