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CVE-2016-5420

UnknownEPSS 14.60%

Last modified

CVE-2016-5420 is a vulnerability of currently unknown severity. curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.. EPSS estimates a 14.60% chance of exploitation in the next 30 days.

Description

curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.

Metrics

EPSS Probability
14.60%

96.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DebianDebian Linux8.0
HaxxLibcurl<= 7.50.0
OpensuseLeap42.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-5420?
curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.
How severe is CVE-2016-5420?
Severity scoring for CVE-2016-5420 is pending analysis. The EPSS model estimates a 14.60% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5420?
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-2016-5420?

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

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Source: NVD / NIST