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CVE-2018-1943

MEDIUMCVSS 5.4/10EPSS 1.05%

Last modified

CVE-2018-1943 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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

CVSS 3.0
5.4/10

CVSS:3.0/AV:N/UI:R/S:C/C:L/AC:L/I:L/PR:L/A:N/RC:C/E:U/RL:O

EPSS Probability
1.05%

59.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmCloud Private3.1.0
IbmCloud Private3.1.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-1943?
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.
How severe is CVE-2018-1943?
CVE-2018-1943 has a CVSS score of 5.4/10 (MEDIUM severity). 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.

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Source: NVD / NIST