How severe is CVE-2020-37052?

CVE-2020-37052 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-2020-37052 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37052?

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-2020-37052 have an EU (EUVD) identifier?

Yes. CVE-2020-37052 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30929.

When was CVE-2020-37052 published?

CVE-2020-37052 was published on 2026-01-30 and last updated on 2026-06-17.

CVE-2020-37052

CVE-2020-37052 is a critical-severity vulnerability 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30929
Weakness: CWE-94
Published: 2026-01-30
Last modified: 2026-06-17

Description

AirControl 1.4.2 contains a pre-authentication remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands through malicious Java expression injection. Attackers can exploit the /.seam endpoint by crafting a specially constructed URL with embedded Java expressions to run commands with the application's system privileges.

Frequently asked questions

What is CVE-2020-37052?: AirControl 1.4.2 contains a pre-authentication remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands through malicious Java expression injection. Attackers can exploit the /.seam endpoint by crafting a specially constructed URL with embedded Java expressions to run commands with the application's system privileges.
How severe is CVE-2020-37052?: CVE-2020-37052 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-2020-37052 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37052?: 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-2020-37052 have an EU (EUVD) identifier?: Yes. CVE-2020-37052 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30929.
When was CVE-2020-37052 published?: CVE-2020-37052 was published on 2026-01-30 and last updated on 2026-06-17.

References

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
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CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
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CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

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