CVE-2017-2659

Name: CVE-2017-2659
Creator: NVD / NIST
Published: 2019-03-21T15:59:57.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.50%

Last modified Jun 17, 2026

CVE-2017-2659 is a vulnerability of currently unknown severity. It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

It was found that dropbear before version 2013.59 with GSSAPI leaks whether given username is valid or invalid. When an invalid username is given, the GSSAPI authentication failure was incorrectly counted towards the maximum allowed number of password attempts.

Metrics

EPSS Probability

1.50%

71.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Dropbear Ssh Project	Dropbear Ssh	< 2013.59

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659Issue Tracking, Patch, Third Party Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2659Issue Tracking, Patch, Third Party Advisory
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a#l1.86Patch, Third Party Advisory

Timeline

Published: Mar 21, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-2659?

How severe is CVE-2017-2659?

Severity scoring for CVE-2017-2659 is pending analysis. The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.

How do I fix CVE-2017-2659?

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-2017-2659?

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

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Source: NVD / NIST