THREATPORT/VULNERABILITY/CVE-2013-0795
HIGH SEVERITY

CVE-2013-0795

Firefox vulnerability

CVSS
10.0
EPSS
3.4%
EPSS pct
88th
Exploited
No known
The System Only Wrapper (SOW) implementation in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, and SeaMonkey before 2.17 does not prevent use of the cloneNode method for cloning a protected node, which allows remote attackers to bypass the Same Origin Policy or possibly execute arbitrary JavaScript code with chrome privileges via a crafted web site.
Affected vendor
Mozilla
Affected product
Firefox
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2013-04-03

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2013-0795

  • Confirm whether Mozilla Firefox is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2013-0795.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-0795

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-0795 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2013-0795?

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