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CVE-2017-12624

MediumPublished

Apache CXF supports sending and receiving attachments via either the JAX-WS or JAX-RS specifications. It is possible to craft a message attachment header...

Published: Nov 14, 2017
Updated: Sep 17, 2024
Assigning CNA: apache
Evidence observed: Aug 5, 2026

Primary CVSS

5.5/ 10Medium

nvd · CVSS 3.0

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS probability estimate

7.5%

Low · next 30 days

Percentile: 94.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Apache CXF supports sending and receiving attachments via either the JAX-WS or JAX-RS specifications. It is possible to craft a message attachment header that could lead to a Denial of Service (DoS) attack on a CXF web service provider. Both JAX-WS and JAX-RS services are vulnerable to this attack. From Apache CXF 3.2.1 and 3.1.14, message attachment headers that are greater than 300 characters will be rejected by default. This value is configurable via the property "attachment-max-header-size".

Sources

CVE-2017-12624Exploit

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