2.1

CVE-2012-3494: citrix xenserver

CVSS: 2.1v2.0LowModified
AliasesDEBIAN-CVE-2012-3494
Published 23-11-2012Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2012-3494 is a low (CVSS 2.1) vulnerability in citrix xenserver. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.5% of scored vulnerabilities.

Overall risk
8/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.1/10
010
Low · v2.0 (NVD)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DSA-2544-1

Timeline

  1. 23-11-2012
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The set_debugreg hypercall in include/asm-x86/debugreg.h in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, when running on x86-64 systems, allows local OS guest users to cause a denial of service (host crash) by writing to the reserved bits of the DR7 debug control register.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Citrix1 product
Debian1 product
  • xen< 4.1.3-2
Xen1 product
  • xen4.0.0 | 4.1.0 | 4.2.0

3 vendors · 3 products

References

26 links
Show all 26 references