2.7

CVE-2014-4021: xen

Modified
AliasesUBUNTU-CVE-2014-4021DEBIAN-CVE-2014-4021
Published 18-06-2014Last modified 06-08-2024

Vulnerability summary

CVE-2014-4021 is a low (CVSS 2.7) vulnerability in xen. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 2.7, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
2.7/10
010
Low · v2.0 (NVD)
EPSS score
0.68%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2
DSA-3006-1RHSA-2014:0926

Timeline

  1. 18-06-2014
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.68%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.68% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: adjacent network, authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • xen< 4.4.1-1
Ubuntu1 product
  • xen< 4.4.0-0ubuntu5.1
Xen1 product
  • xen3.2.0 | 3.2.1 | 3.2.2 | 3.2.3 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1.0 | 4.1.1 | 4.1.2 | 4.1.3 | 4.1.4 | 4.1.5 | 4.1.6.1 | 4.2.0 | 4.2.1 | 4.2.2 | 4.2.3 | 4.3.0 | 4.3.1 | 4.4.0 | 4.4.0:rc1

3 vendors · 3 products

References

19 links
Show all 19 references