CVE-2017-5451

Name: CVE-2017-5451
Creator: NVD / NIST
Published: 2018-06-11T21:29:06.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.52%

Last modified Jun 17, 2026

CVE-2017-5451 is a vulnerability of currently unknown severity. A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. EPSS estimates a 1.52% chance of exploitation in the next 30 days.

Description

A mechanism to spoof the addressbar through the user interaction on the addressbar and the "onblur" event. The event could be used by script to affect text display to make the loaded site appear to be different from the one actually loaded within the addressbar. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

Metrics

EPSS Probability

1.52%

71.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.3
Redhat	Enterprise Linux Server Aus	7.4
Redhat	Enterprise Linux Server Eus	7.3
Redhat	Enterprise Linux Server Eus	7.4
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0
Mozilla	Firefox	< 53.0
Mozilla	Firefox	< 52.1.0
Mozilla	Thunderbird	< 52.1.0

References

http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1273537Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/Vendor Advisory
http://www.securityfocus.com/bid/97940Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038320Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2017:1106Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1201Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1273537Exploit, Issue Tracking, Patch, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-10/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-12/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2017-13/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-5451?

How severe is CVE-2017-5451?

Severity scoring for CVE-2017-5451 is pending analysis. The EPSS model estimates a 1.52% probability of exploitation in the next 30 days.

How do I fix CVE-2017-5451?

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-2017-5451?

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

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Source: NVD / NIST