CVE-2018-1797

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-16 · updated 2026-06-17
Weakness: CWE-22

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 using Enterprise bundle Archives (EBA) could allow a local attacker to traverse directories on the system. By persuading a victim to extract a specially-crafted ZIP archive containing "dot dot slash" sequences (../), an attacker could exploit this vulnerability to write to arbitrary files on the system. Note: This vulnerability is known as "Zip-Slip". IBM X-Force ID: 149427.

Affected products

IBM WebSphere Application Server: from 7.0.0.0 through 7.0.0.45; from 8.0.0.0 through 8.0.0.15; from 8.5.0.0 through 8.5.5.14; from 9.0.0.0 through 9.0.0.9

References

http://www.securityfocus.com/bid/105982
http://www.securitytracker.com/id/1042146
https://exchange.xforce.ibmcloud.com/vulnerabilities/149427
https://www.ibm.com/support/docview.wss?uid=ibm10730699
http://www.securityfocus.com/bid/105982
http://www.securitytracker.com/id/1042146
https://exchange.xforce.ibmcloud.com/vulnerabilities/149427
https://www.ibm.com/support/docview.wss?uid=ibm10730699

Get alerted when CVE-2018-1797 or the next vulnerability affects your stack