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HIGH

CVE-2020-11940

CVSS v3

7.5

HIGH

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In nDPI through 3.2 Stable, an out-of-bounds read in concat_hash_string in ssh.c can be exploited by a network-positioned attacker that can send malformed SSH protocol messages on a network segment monitored by nDPI's library.

Technical details

Published
2020-04-23

Frequently asked questions

What is CVE-2020-11940?

In nDPI through 3.2 Stable, an out-of-bounds read in concat_hash_string in ssh.c can be exploited by a network-positioned attacker that can send malformed SSH protocol messages on a network segment monitored by nDPI's library.

Is CVE-2020-11940 actively exploited?

Active exploitation of CVE-2020-11940 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-11940?

CVE-2020-11940 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2020-11940 affecting your environment?

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