CVE-2020-4203 Information disclosure in DataPower Gateway

What is CVE-2020-4203?

CVE-2020-4203 is a medium-severity vulnerability in Ibm Datapower Gateway, published on 19 Mar 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

IBM DataPower Gateway 2018.4.1.0 through 2018.4.1.8 could potentially disclose highly sensitive information to a privileged user due to improper access controls. IBM X-Force ID: 174956.

Which versions are affected by CVE-2020-4203?

It affects 1 product.

Products include Ibm Datapower Gateway.

How do I fix CVE-2020-4203?

No fix has been published for CVE-2020-4203 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-4203 being exploited?

There is no known exploitation of CVE-2020-4203 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-5hw4-855x-57vm.