THREATPORT/VULNERABILITY/CVE-2007-0981
HIGH SEVERITY

CVE-2007-0981

Firefox vulnerability

CVSS
7.5
EPSS
12.1%
EPSS pct
96th
Exploited
No known
Mozilla based browsers, including Firefox before 1.5.0.10 and 2.x before 2.0.0.2, and SeaMonkey before 1.0.8, allow remote attackers to bypass the same origin policy, steal cookies, and conduct other attacks by writing a URI with a null byte to the hostname (location.hostname) DOM property, due to interactions with DNS resolver code.
Affected vendor
Mozilla
Affected product
Firefox
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness type (CWE)
  • CWE-264 — Permissions, Privileges, and Access Controls
Published
2007-02-16

Risk analysis

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

Its EPSS score of 12.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2007-0981

  • Confirm whether Mozilla Firefox is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2007-0981.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2007-0981

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2007-0981 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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