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 dir…

Published 7 y ago 2018-11-16 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.3

v3.0 · CNA

CISA KEV

not known exploited

EPSS

2.0%

percentile 80%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.95% probability of exploitation in the next 30 days, higher than 80% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.0	6.3	`CVSS:3.0/A:N/AC:L/AV:L/C:N/I:H/PR:N/S:C/UI:R/E:U/RC:C/RL:O`
CNA	3.0	6.3	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N`
NVD	3.0	5.5	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`

Affected products

IBM WebSphere Application Server

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

exchange.xforce.ibmcloud.com /vulnerabilities/149427 · vdb-entry, x_refsource_XF, x_transferred
securityfocus.com /bid/105982 · vdb-entry, x_refsource_BID, x_transferred
securitytracker.com /id/1042146 · vdb-entry, x_refsource_SECTRACK, x_transferred
ibm.com /support/docview.wss?uid=ibm10730699 · x_refsource_CONFIRM, x_transferred

Sources

CVE List: CVE-2018-1797
NVD: CVE-2018-1797

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