CVE-2019-16992

Name: CVE-2019-16992
Creator: NVD / NIST
Published: 2019-09-30T00:15:10.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2019-16992 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Keybase app 2.13.2 for iOS provides potentially insufficient notice that it is employing a user's private key to sign a certain cryptocurrency attestation (that an address at keybase.io can be used for Stellar payments to the user), which might be incompatible with a user's personal position on the semantics of an attestation.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

The Keybase app 2.13.2 for iOS provides potentially insufficient notice that it is employing a user's private key to sign a certain cryptocurrency attestation (that an address at keybase.io can be used for Stellar payments to the user), which might be incompatible with a user's personal position on the semantics of an attestation.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Keybase	Keybase	2.13.2

References

https://github.com/keybase/keybase-issues/issues/3583Third Party Advisory
https://sneak.berlin/20190929/keybase-backdoor/Third Party Advisory
https://github.com/keybase/keybase-issues/issues/3583Third Party Advisory
https://sneak.berlin/20190929/keybase-backdoor/Third Party Advisory

Timeline

Published: Sep 30, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16992?

How severe is CVE-2019-16992?

CVE-2019-16992 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16992?

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-2019-16992?

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

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Source: NVD / NIST