CVE-2018-1677 Denial of service in DataPower Gateways

What is CVE-2018-1677?

CVE-2018-1677 is a medium-severity denial of service vulnerability in Ibm Datapower Gateway, published on 20 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM DataPower Gateways 7.1, 7.2, 7.5, 7.5.1, 7.5.2, 7.6, and 7.7 and IBM MQ Appliance are vulnerable to a denial of service, caused by the improper handling of full file system. A local attacker could exploit this vulnerability to cause a denial of service. IBM X-Force ID: 145171.

Weakness: CWE-755

Which versions are affected by CVE-2018-1677?

It affects 1 product.

Products include Ibm Datapower Gateway.

How do I fix CVE-2018-1677?

No fix has been published for CVE-2018-1677 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-1677 being exploited?

There is no known exploitation of CVE-2018-1677 in the wild and no public exploit code.

Other vulnerabilities in Ibm Datapower Gateway

• CVE-2026-14269 IBM DataPower Gateway Buffer Overflow Critical 9.8
• CVE-2026-14502 IBM DataPower Gateway Improper Authentication Critical 9.8
• CVE-2026-14991 IBM DataPower Gateway Out-of-bounds Write Critical 9.8
• CVE-2026-14992 IBM DataPower Gateway Out-of-bounds Write Critical 9.8
• CVE-2026-15762 IBM DataPower Gateway Out-of-bounds Write Critical 9.8

All Ibm Datapower Gateway vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-jh56-4939-fm7p.