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CVE-2017-12158

UnknownEPSS 1.02%

Last modified

CVE-2017-12158 is a vulnerability of currently unknown severity. It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.

Description

It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.

Metrics

EPSS Probability
1.02%

59.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
RedhatSingle Sign On7.0
RedhatSingle Sign On7.1
KeycloakKeycloakAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-12158?
It was found that Keycloak would accept a HOST header URL in the admin console and use it to determine web resource locations. An attacker could use this flaw against an authenticated user to attain reflected XSS via a malicious server.
How severe is CVE-2017-12158?
Severity scoring for CVE-2017-12158 is pending analysis. The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12158?
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-2017-12158?

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

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Source: NVD / NIST