CVE-2019-16930

Name: CVE-2019-16930
Creator: NVD / NIST
Published: 2019-09-28T22:15:09.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2019-16930 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

Description

Zcashd in Zcash before 2.0.7-3 allows discovery of the IP address of a full node that owns a shielded address, related to mishandling of exceptions during deserialization of note plaintexts. This affects anyone who has disclosed their zaddr to a third party.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

1.64%

73.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-755

Affected Software

Vendor	Product	Versions
Z.Cash	Zcash	< 2.0.7-3

References

http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.htmlMitigation, Third Party Advisory
https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128dPatch, Third Party Advisory
https://github.com/zcash/zcash/releases/tag/v2.0.7-3Third Party Advisory
https://z.cash/support/security/announcements/security-announcement-2019-09-24/Vendor Advisory
http://duke.leto.net/2019/10/01/zcash-metadata-leakage-cve-2019-16930.htmlMitigation, Third Party Advisory
https://github.com/zcash/zcash/commit/c1fbf8ab5d73cff5e1f45236995857c75ba4128dPatch, Third Party Advisory
https://github.com/zcash/zcash/releases/tag/v2.0.7-3Third Party Advisory
https://z.cash/support/security/announcements/security-announcement-2019-09-24/Vendor Advisory

Timeline

Published: Sep 28, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16930?

How severe is CVE-2019-16930?

CVE-2019-16930 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16930?

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-2019-16930?

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

Scan your code now

Source: NVD / NIST