CVE-2019-4173

Name: CVE-2019-4173
Creator: NVD / NIST
Published: 2019-06-17T15:15:12.52+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.81%

Last modified Jun 17, 2026

CVE-2019-4173 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. IBM Cognos Controller 10.2.0, 10.2.1, 10.3.0, 10.3.1, and 10.4.0 could allow a remote attacker to obtain sensitive information, caused by a flaw in the HTTP OPTIONS method, aka Optionsbleed. By sending an OPTIONS HTTP request, a remote attacker could exploit this vulnerability to read secret data from process memory and obtain sensitive information. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

Description

IBM Cognos Controller 10.2.0, 10.2.1, 10.3.0, 10.3.1, and 10.4.0 could allow a remote attacker to obtain sensitive information, caused by a flaw in the HTTP OPTIONS method, aka Optionsbleed. By sending an OPTIONS HTTP request, a remote attacker could exploit this vulnerability to read secret data from process memory and obtain sensitive information. IBM X-Force ID: 158878.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.81%

75.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Ibm	Cognos Controller	10.2.0
Ibm	Cognos Controller	10.2.1
Ibm	Cognos Controller	10.3.0
Ibm	Cognos Controller	10.3.1
Ibm	Cognos Controller	10.4.0

References

http://www.ibm.com/support/docview.wss?uid=ibm10886913Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/158878VDB Entry, Vendor Advisory
http://www.ibm.com/support/docview.wss?uid=ibm10886913Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/158878VDB Entry, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2019-4173?

How severe is CVE-2019-4173?

CVE-2019-4173 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.

How do I fix CVE-2019-4173?

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-2019-4173?

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

Scan your code now

Source: NVD / NIST