CVE-2014-7815

Qemu vulnerability

CVSS

5.0

EPSS

3.7%

EPSS pct

89th

Exploited

No known

The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.

Affected vendor

Qemu

Affected product

Qemu

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2014-11-14

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 availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2014-7815

Confirm whether Qemu Qemu is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2014-7815.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2014-7815

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2014-7815 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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