THREATPORT/VULNERABILITY/CVE-2017-5455
HIGH SEVERITY

CVE-2017-5455

Enterprise Linux vulnerability

CVSS
7.5
EPSS
3.5%
EPSS pct
88th
Exploited
No known
The internal feed reader APIs that crossed the sandbox barrier allowed for a sandbox escape and escalation of privilege if combined with another vulnerability that resulted in remote code execution inside the sandboxed process. This vulnerability affects Firefox ESR < 52.1 and Firefox < 53.
Affected vendor
Redhat
Affected product
Enterprise Linux
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2018-06-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 3.5% 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-2017-5455

  • Confirm whether Redhat Enterprise Linux is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-5455.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-5455

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