How severe is CVE-2020-37136?

CVE-2020-37136 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2020-37136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-37136?

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

Does CVE-2020-37136 have an EU (EUVD) identifier?

Yes. CVE-2020-37136 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31035.

When was CVE-2020-37136 published?

CVE-2020-37136 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2020-37136

CVE-2020-37136 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-121.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 6.7
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-31035
Weakness: CWE-121
Published: 2026-02-05
Last modified: 2026-06-17

Description

ZOC Terminal 7.25.5 contains a denial of service vulnerability in the private key file input field that allows attackers to crash the application. Attackers can overwrite the private key file input with a 2000-byte buffer, causing the application to become unresponsive when attempting to create SSH key files.

Frequently asked questions

What is CVE-2020-37136?: ZOC Terminal 7.25.5 contains a denial of service vulnerability in the private key file input field that allows attackers to crash the application. Attackers can overwrite the private key file input with a 2000-byte buffer, causing the application to become unresponsive when attempting to create SSH key files.
How severe is CVE-2020-37136?: CVE-2020-37136 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-37136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-37136?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2020-37136 have an EU (EUVD) identifier?: Yes. CVE-2020-37136 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-31035.
When was CVE-2020-37136 published?: CVE-2020-37136 was published on 2026-02-05 and last updated on 2026-06-17.

References

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