CVE-2017-2620

Qemu vulnerability

CVSS

5.5

EPSS

3.6%

EPSS pct

88th

Exploited

No known

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Affected vendor

Qemu

Affected product

Qemu

CVSS vector

CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Weakness type (CWE)

CWE-787 — Out-of-bounds Write
CWE-125 — Out-of-bounds Read

Published

2018-07-27

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, high attack complexity, requiring low privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 3.6% 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-2017-2620

Confirm whether Qemu Qemu is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-2620.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-2620

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-2620 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2017-2620?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2017-2620.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM

CVE-2012-6651

Vitamin vulnerability

Data Protector vulnerability