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CVE-2015-4515

UnknownEPSS 1.87%

Last modified

CVE-2015-4515 is a vulnerability of currently unknown severity. Mozilla Firefox before 42.0, when NTLM v1 is enabled for HTTP authentication, allows remote attackers to obtain sensitive hostname information by constructing a crafted web site that sends an NTLM request and reads the Workstation field of an NTLM type 3 message.. EPSS estimates a 1.87% chance of exploitation in the next 30 days.

Description

Mozilla Firefox before 42.0, when NTLM v1 is enabled for HTTP authentication, allows remote attackers to obtain sensitive hostname information by constructing a crafted web site that sends an NTLM request and reads the Workstation field of an NTLM type 3 message.

Metrics

EPSS Probability
1.87%

76.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox<= 41.0.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-4515?
Mozilla Firefox before 42.0, when NTLM v1 is enabled for HTTP authentication, allows remote attackers to obtain sensitive hostname information by constructing a crafted web site that sends an NTLM request and reads the Workstation field of an NTLM type 3 message.
How severe is CVE-2015-4515?
Severity scoring for CVE-2015-4515 is pending analysis. The EPSS model estimates a 1.87% probability of exploitation in the next 30 days.
How do I fix CVE-2015-4515?
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-2015-4515?

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

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Source: NVD / NIST