CVE-2019-4203

Name: CVE-2019-4203
Creator: NVD / NIST
Published: 2019-04-15T15:29:00.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.73%

Last modified Jun 17, 2026

CVE-2019-4203 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal can be exploited by app developers to download arbitrary files from the host OS and potentially carry out SSRF attacks. IBM X-Force ID: 159124.. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal can be exploited by app developers to download arbitrary files from the host OS and potentially carry out SSRF attacks. IBM X-Force ID: 159124.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.73%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Ibm	Api Connect	>= 5.0.0.0, <= 5.0.8.6

References

http://www.securityfocus.com/bid/107905Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/159124VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10880569Vendor Advisory
http://www.securityfocus.com/bid/107905Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/159124VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10880569Vendor Advisory

Timeline

Published: Apr 15, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-4203?

IBM API Connect 5.0.0.0 and 5.0.8.6 Developer Portal can be exploited by app developers to download arbitrary files from the host OS and potentially carry out SSRF attacks. IBM X-Force ID: 159124.

How severe is CVE-2019-4203?

CVE-2019-4203 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.

How do I fix CVE-2019-4203?

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.

Are you affected by CVE-2019-4203?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST