How severe is CVE-2020-36995?

CVE-2020-36995 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 high, integrity none, and availability none.

Is CVE-2020-36995 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2020-36995?

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-2020-36995 have an EU (EUVD) identifier?

Yes. CVE-2020-36995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30914.

When was CVE-2020-36995 published?

CVE-2020-36995 was published on 2026-01-29 and last updated on 2026-06-17.

CVE-2020-36995

CVE-2020-36995 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 4.6
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2020-30914
Weakness: CWE-120
Published: 2026-01-29
Last modified: 2026-06-17

Description

Mocha Telnet Lite for iOS 4.2 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the user configuration input. Attackers can overwrite the 'User' field with 350 bytes of repeated characters to trigger an application crash and prevent normal functionality.

Frequently asked questions

What is CVE-2020-36995?: Mocha Telnet Lite for iOS 4.2 contains a denial of service vulnerability that allows attackers to crash the application by manipulating the user configuration input. Attackers can overwrite the 'User' field with 350 bytes of repeated characters to trigger an application crash and prevent normal functionality.
How severe is CVE-2020-36995?: CVE-2020-36995 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 high, integrity none, and availability none.
Is CVE-2020-36995 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2020-36995?: 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-2020-36995 have an EU (EUVD) identifier?: Yes. CVE-2020-36995 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30914.
When was CVE-2020-36995 published?: CVE-2020-36995 was published on 2026-01-29 and last updated on 2026-06-17.

References

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