IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to HTTP response splitting attacks.

Published 9 y ago 2017-10-10 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.1

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.7%

percentile 78%

Public exploits

none known

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to HTTP response splitting attacks. A remote attacker could exploit this vulnerability using specially-crafted URL to cause the server to return a split response, once the URL is clicked. This would allow the attacker to perform further attacks, such as Web cache poisoning, cross-site scripting, and possibly obtain sensitive information. IBM X-Force ID: 129578.

Exploit prediction (EPSS)

1.73% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	6.1	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`

Affected products

IBM IBM WebSphere Application Server

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

securityfocus.com /bid/101234 · vdb-entry, x_refsource_BID, x_transferred
securitytracker.com /id/1039521 · vdb-entry, x_refsource_SECTRACK, x_transferred
www-01.ibm.com /support/docview.wss?uid=swg22006815 · x_refsource_CONFIRM, x_transferred
exchange.xforce.ibmcloud.com /vulnerabilities/129578 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2017-1503
NVD: CVE-2017-1503

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