Public proof of concept

CVE-2017-7504

Q: Is CVE-2017-7504 actively exploited?

Active exploitation of CVE-2017-7504 has not been confirmed. Its EPSS score was 38.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2017-7504?

CVE-2017-7504 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

A public proof of concept exists; no exploitation attested.

Published2017-05-19
WeaknessCWE-502

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

HTTPServerILServlet.java in JMS over HTTP Invocation Layer of the JbossMQ implementation, which is enabled by default in Red Hat Jboss Application Server <= Jboss 4.X does not restrict the classes for which it performs deserialization, which allows remote attackers to execute arbitrary code via crafted serialized data.

Timeline

dates in UTC

2017-05-1920:29CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2017-7504?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2017-7504?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Redhat jboss enterprise application platform

Branch	Affected	Fixed in	Source
4.0	≤ 4.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedwudidwo/CVE-2017-7504-poc

Sources

NVDCVSS 3.09.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
CNAweakness (CWE)CWE-502read 2026-10-23
NVDweakness (CWE)CWE-502read 2026-10-23
FIRST EPSSEPSS score38.9 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2017-05-19
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2017-7504?

Is CVE-2017-7504 actively exploited?

Active exploitation of CVE-2017-7504 has not been confirmed. Its EPSS score was 38.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-7504?

CVE-2017-7504 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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