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CVE-2014-1895

16
FAUCET Score

CVE-2014-1895 describes an off-by-one error in Xen 4.2.x and 4.3.x, specifically within the flask_security_avc_cachestats function. This flaw allows authenticated local users to trigger a buffer over-read, leading to a denial of service (host crash) or potential information disclosure from hypervisor memory. The vulnerability has a CVSS score of 5.8, indicating a medium severity, with an attack vector requiring adjacent network access and medium attack complexity. 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
4.2.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
4.2.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
4.3.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.8MEDIUM

AV:A/AC:M/Au:S/C:P/I:N/A:C

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
4.4
Impact Score
7.8
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 45th percentile among its peer group of 74 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

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

Remediation

Vendor Advisories (1)

redhatCVE-2014-1895Moderate

xen: Off-by-one error in FLASK_AVC_CACHESTAT hypercall (xsa-85)

Feb 6, 2014

References

lists.opensuse.org / opensuse-security-announce/2014-03/msg00011.html
security.gentoo.org / glsa/glsa-201407-03.xml
openwall.com / lists/oss-security/2014/02/07/12
openwall.com / lists/oss-security/2014/02/10/6
xenbits.xen.org / xsa/advisory-85.html
PatchVendor Advisory