SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-0776

Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a…

MEDIUM 4.0EPSS 1.30%

Does this matter?

Lower severity and a low EPSS score (1.30%). Track it; it rarely justifies an emergency change on its own.

Description

Mozilla Firefox before 19.0, Firefox ESR 17.x before 17.0.3, Thunderbird before 17.0.3, Thunderbird ESR 17.x before 17.0.3, and SeaMonkey before 2.16 allow man-in-the-middle attackers to spoof the address bar by operating a proxy server that provides a 407 HTTP status code accompanied by web script, as demonstrated by a phishing attack on an HTTPS site.

CVSS 2.0
4.0 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:N
EPSS
1.30% probability · 69th percentile
CISA KEV
Not listed
Weakness
CWE-295
Affected
mozilla/firefox · mozilla/seamonkey · mozilla/thunderbird · mozilla/thunderbird esr · opensuse/opensuse · redhat/enterprise linux aus · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux workstation · debian/debian linux · canonical/ubuntu linux
Source
security@mozilla.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.