CVE-2018-1770

Name: CVE-2018-1770
Creator: NVD / NIST
Published: 2018-10-12T11:29:00.713+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 3.48%

Last modified Jun 17, 2026

CVE-2018-1770 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. EPSS estimates a 3.48% chance of exploitation in the next 30 days.

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to view arbitrary files on the system. IBM X-Force ID: 148686.

Metrics

CVSS 3.0

6.5/10

CVSS:3.0/A:N/AC:L/AV:N/C:H/I:N/PR:L/S:U/UI:N/E:U/RC:C/RL:O

EPSS Probability

3.48%

87.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Ibm	Websphere Application Server	>= 7.0.0.0, <= 7.0.0.45
Ibm	Websphere Application Server	>= 8.0.0.0, <= 8.0.0.15
Ibm	Websphere Application Server	>= 8.5.0.0, <= 8.5.5.14
Ibm	Websphere Application Server	>= 9.0.0.0, <= 9.0.0.9

References

http://www.securitytracker.com/id/1041874Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/148686VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10729521Patch, Vendor Advisory
https://www.tenable.com/security/research/tra-2018-30Exploit, Third Party Advisory
http://www.securitytracker.com/id/1041874Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/148686VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10729521Patch, Vendor Advisory
https://www.tenable.com/security/research/tra-2018-30Exploit, Third Party Advisory

Timeline

Published: Oct 12, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1770?

How severe is CVE-2018-1770?

CVE-2018-1770 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.48% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1770?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST