CRITICAL

CVE-2020-13656

CVSS v3

9.8

CRITICAL

EPSS Score

2.1 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-13656 yet.

Full record on NVD

Description

In Morgan Stanley Hobbes through 2020-05-21, the array implementation lacks bounds checking, allowing exploitation of an out-of-bounds (OOB) read/write vulnerability that leads to both local and remote code (via RPC) execution.

Technical details

Published: 2020-06-12

Frequently asked questions

What is CVE-2020-13656?

Is CVE-2020-13656 actively exploited?

Active exploitation of CVE-2020-13656 has not been confirmed. Its EPSS score was 2.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-13656?

CVE-2020-13656 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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