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CVE-2007-1321

20
FAUCET Score

CVE-2007-1321 describes an integer signedness error in the NE2000 emulator within QEMU 0.8.2, affecting products like Xen, Debian, and Fedora. This flaw allows local users to trigger a heap-based buffer overflow by manipulating register values to bypass sanity checks. With a CVSS score of 7.2, this vulnerability is considered highly severe, enabling complete compromise of confidentiality, integrity, and availability with low attack complexity and requiring local access. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8.2CPE matchmatch criteria
cpe:2.3:a:qemu:qemu:0.8.2:*:*:*:*:*:*:*
7CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:7:*:*:*:*:*:*:*
6CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora_core:6:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:3.1:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*

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
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 56th percentile among its peer group of 3,241 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xen-0:3.0.3-25.0.4.el5
View patch

Vendor Advisories (1)

redhatCVE-2007-1321Low

xen QEMU NE2000 emulation issues

Apr 20, 2007

References

osvdb.org / 35495
Broken Link
secunia.com / advisories/25073
Third Party Advisory
secunia.com / advisories/25095
Third Party Advisory
secunia.com / advisories/27047
Third Party Advisory
secunia.com / advisories/27072
Third Party Advisory
secunia.com / advisories/27103
Third Party Advisory
secunia.com / advisories/27486
Third Party Advisory
secunia.com / advisories/29129
Third Party Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9302
Third Party Advisory
redhat.com / archives/fedora-package-announce/2007-November/msg00004.html
Third Party Advisory
redhat.com / archives/fedora-package-announce/2007-October/msg00030.html
Third Party Advisory
redhat.com / archives/fedora-package-announce/2007-October/msg00082.html
Third Party Advisory
taviso.decsystem.org / virtsec.pdf
Technical DescriptionThird Party Advisory
attrition.org / pipermail/vim/2007-October/001842.html
Third Party Advisory
debian.org / security/2007/dsa-1284
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
mandriva.com / security/advisories
Third Party Advisory
redhat.com / support/errata/RHSA-2007-0323.html
Third Party Advisory
securityfocus.com / bid/23731
Third Party AdvisoryVDB Entry
vupen.com / english/advisories/2007/1597
Third Party Advisory