CVE-2020-13956 Affecting zaproxy package, versions <2.17.0-r10


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
9.03% (95th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-ZAPROXY-18596048
  • published8 Aug 2026
  • disclosed2 Dec 2020

Introduced: 2 Dec 2020

CVE-2020-13956  (opens in a new tab)

How to fix?

Upgrade Chainguard zaproxy to version 2.17.0-r10 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream zaproxy package and not the zaproxy package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Apache HttpClient versions prior to version 4.5.13 and 5.0.3 can misinterpret malformed authority component in request URIs passed to the library as java.net.URI object and pick the wrong target host for request execution.

References

CVSS Base Scores

version 3.1