CVE-2020-15474

Name: CVE-2020-15474
Creator: NVD / NIST
Published: 2020-07-01T11:15:11.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2020-15474 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Ntop	Ndpi	<= 3.2

References

https://github.com/ntop/nDPI/commit/23594f036536468072198a57c59b6e9d63caf6cePatch, Third Party Advisory
https://github.com/ntop/nDPI/commit/23594f036536468072198a57c59b6e9d63caf6cePatch, Third Party Advisory

Timeline

Published: Jul 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15474?

In nDPI through 3.2, there is a stack overflow in extractRDNSequence in lib/protocols/tls.c.

How severe is CVE-2020-15474?

CVE-2020-15474 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15474?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15474?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST