CVE-2017-16228

Name: CVE-2017-16228
Creator: NVD / NIST
Published: 2017-10-29T20:29:00.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.39%

Last modified Jun 17, 2026

CVE-2017-16228 is a vulnerability of currently unknown severity. Dulwich before 0.18.5, when an SSH subprocess is used, allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-1000116, and CVE-2017-1000117.. EPSS estimates a 3.39% chance of exploitation in the next 30 days.

Description

Dulwich before 0.18.5, when an SSH subprocess is used, allows remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-1000116, and CVE-2017-1000117.

Metrics

EPSS Probability

3.39%

87.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Dulwich Project	Dulwich	<= 0.18.4

References

https://tracker.debian.org/news/882440Issue Tracking, Third Party Advisory
https://www.dulwich.io/code/dulwich/Product, Vendor Advisory
https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6/Issue Tracking, Patch, Vendor Advisory
https://tracker.debian.org/news/882440Issue Tracking, Third Party Advisory
https://www.dulwich.io/code/dulwich/Product, Vendor Advisory
https://www.dulwich.io/code/dulwich/commit/7116a0cbbda571f7dac863f4b1c00b6e16d6d8d6/Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Oct 29, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-16228?

How severe is CVE-2017-16228?

Severity scoring for CVE-2017-16228 is pending analysis. The EPSS model estimates a 3.39% probability of exploitation in the next 30 days.

How do I fix CVE-2017-16228?

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-2017-16228?

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

Scan your code now

Source: NVD / NIST