HOMEVULNERABILITIESCVE-2012-3515
HIGH

CVE-2012-3515

CWE-20Published: November 23, 2012· Updated: Jun 16, 2026

7.2
CVSS v3.1

Official Description

Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."

NVD Source

Technical Analysis

CVE-2012-3515 requires local access, meaning attackers must already have a foothold on the target system.

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

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
openSUSE1 product(s)
opensuse
qemu1 product(s)
qemu
Red Hat6 product(s)
virtualizationenterprise linuxenterprise linux desktopenterprise linux eusenterprise linux serverenterprise linux workstation
SUSE3 product(s)
linux enterprise desktoplinux enterprise serverlinux enterprise software development kit
xen1 product(s)
xen
Source: NVD CPE · 29 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (82)

Quick Facts

CVE IDCVE-2012-3515
CVSS Score7.2 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected7 vendor(s)
PublishedNov 23, 2012

Related CVEs (CWE-20)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2012-3515 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.