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CVE-2012-3515

24
FAUCET Score

CVE-2012-3515 describes a privilege escalation vulnerability in Qemu, specifically affecting Xen 4.0, 4.1, and potentially other products, when emulating devices with a virtual console backend. A local guest OS user can exploit this by sending a specially crafted VT100 escape sequence, leading to an overwrite within the device model's address space. This vulnerability carries a CVSS score of 7.2, indicating high severity with local access, low attack complexity, and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it has not garnered widespread attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.2.0CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*
12.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 63rd percentile among its peer group of 3,237 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.5 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm-0:83-249.el5_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xen-0:3.0.3-135.el5_8.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qemu-kvm-2:0.12.1.2-2.295.el6_3.2
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: qemu-kvm-rhev-2:0.12.1.2-2.295.el6_3.2
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.3-20120926.0.el6_3
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2012-3515Important

qemu: VT100 emulation vulnerability

Sep 5, 2012

References

git.qemu.org
lists.opensuse.org / opensuse-security-announce/2012-09/msg00001.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00003.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00004.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00005.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00012.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00016.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00018.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00024.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00026.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00027.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-10/msg00002.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-11/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-11/msg00018.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-updates/2012-09/msg00051.html
Mailing ListThird Party Advisory
lists.xen.org / archives/html/xen-announce/2012-09/msg00003.html
Mailing ListVendor Advisory
rhn.redhat.com / errata/RHSA-2012-1233.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1234.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1235.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1236.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1262.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1325.html
Third Party Advisory
secunia.com / advisories/50472
Third Party Advisory
secunia.com / advisories/50528
Third Party Advisory
secunia.com / advisories/50530
Third Party Advisory
secunia.com / advisories/50632
Third Party Advisory
secunia.com / advisories/50689
Third Party Advisory
secunia.com / advisories/50860
Third Party Advisory
secunia.com / advisories/50913
Third Party Advisory
secunia.com / advisories/51413
Third Party Advisory
secunia.com / advisories/55082
Third Party Advisory
security.gentoo.org / glsa/glsa-201309-24.xml
Third Party Advisory
security.gentoo.org / glsa/201604-03
Third Party Advisory
support.citrix.com / article/CTX134708
Third Party Advisory
wiki.xen.org / wiki/Security_Announcements
Vendor Advisory
debian.org / security/2012/dsa-2543
Third Party Advisory
debian.org / security/2012/dsa-2545
Third Party Advisory
openwall.com / lists/oss-security/2012/09/05/10
Mailing ListMitigationThird Party Advisory
securityfocus.com / bid/55413
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1590-1
Third Party Advisory