CVE-2018-1943

Name: CVE-2018-1943
Creator: NVD / NIST
Published: 2019-04-08T15:29:00.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.05%

Last modified Jun 17, 2026

CVE-2018-1943 is a vulnerability of currently unknown severity. IBM Cloud Private 3.1.0 and 3.1.1 is vulnerable to HTTP HOST header injection, caused by improper validation of input. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. EPSS estimates a 1.05% chance of exploitation in the next 30 days.

Description

IBM Cloud Private 3.1.0 and 3.1.1 is vulnerable to HTTP HOST header injection, caused by improper validation of input. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 153385.

Metrics

EPSS Probability

1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Ibm	Cloud Private	3.1.0
Ibm	Cloud Private	3.1.1

References

http://www.securityfocus.com/bid/107828Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/153385VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10871656Patch, Vendor Advisory
http://www.securityfocus.com/bid/107828Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/153385VDB Entry, Vendor Advisory
https://www.ibm.com/support/docview.wss?uid=ibm10871656Patch, Vendor Advisory

Timeline

Published: Apr 8, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1943?

How severe is CVE-2018-1943?

Severity scoring for CVE-2018-1943 is pending analysis. The EPSS model estimates a 1.05% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1943?

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-2018-1943?

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

Scan your code now

Source: NVD / NIST