HOMEVULNERABILITIESCVE-2020-24352
MEDIUM

CVE-2020-24352

CWE-125Published: October 16, 2020· Updated: Jun 17, 2026

5.5
CVSS v3.1

Official Description

An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

NVD Source

Technical Analysis

CVE-2020-24352 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

qemu1 product(s)
qemu
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1847584
ADVISORYhttps://git.qemu.org/?p=qemu.git
ADVISORYhttps://security.netapp.com/advisory/ntap-20201123-0003/
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1847584
ADVISORYhttps://git.qemu.org/?p=qemu.git
ADVISORYhttps://security.netapp.com/advisory/ntap-20201123-0003/

All References (6)

→
https://bugzilla.redhat.com/show_bug.cgi?id=1847584Issue Tracking · Third Party Advisory
→
https://git.qemu.org/?p=qemu.gitVendor Advisory
→
https://security.netapp.com/advisory/ntap-20201123-0003/Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1847584Issue Tracking · Third Party Advisory
→
https://git.qemu.org/?p=qemu.gitVendor Advisory
→
https://security.netapp.com/advisory/ntap-20201123-0003/Third Party Advisory

Quick Facts

CVE IDCVE-2020-24352
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-125
CISA KEVNo
Affected1 vendor(s)
PublishedOct 16, 2020

Related CVEs (CWE-125)

CVE-2021-41556
10.0
CVE-2021-21777
10.0
CVE-2013-0767
10.0
CVE-2017-14451
10.0
CVE-2009-2523
10.0
CVE-2026-34987
9.9

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-24352 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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