THREATPORT/VULNERABILITY/CVE-2016-1714
HIGH SEVERITY

CVE-2016-1714

Openstack vulnerability

CVSS
8.1
EPSS
6.1%
EPSS pct
93th
Exploited
No known
The (1) fw_cfg_write and (2) fw_cfg_read functions in hw/nvram/fw_cfg.c in QEMU before 2.4, when built with the Firmware Configuration device emulation support, allow guest OS users with the CAP_SYS_RAWIO privilege to cause a denial of service (out-of-bounds read or write access and process crash) or possibly execute arbitrary code via an invalid current entry value in a firmware configuration.
Affected vendor
Redhat
Affected product
Openstack
CVSS vector
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2016-04-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.1% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2016-1714

  • Confirm whether Redhat Openstack is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-1714.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-1714

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-1714 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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