How severe is CVE-2014-4948?

CVE-2014-4948 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2014-4948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-4948?

CVE-2014-4948 affects Citrix Xenserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-4948?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-4948 published?

CVE-2014-4948 was published on 2014-07-22 and last updated on 2026-06-17.

CVE-2014-4948

CVE-2014-4948 is a medium-severity vulnerability in Citrix Xenserver with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Citrix Xenserver
Published: 2014-07-22
Last modified: 2026-06-17

Description

Unspecified vulnerability in Citrix XenServer 6.2 Service Pack 1 and earlier allows attackers to cause a denial of service and obtain sensitive information by modifying the guest virtual hard disk (VHD).

Frequently asked questions

What is CVE-2014-4948?: Unspecified vulnerability in Citrix XenServer 6.2 Service Pack 1 and earlier allows attackers to cause a denial of service and obtain sensitive information by modifying the guest virtual hard disk (VHD).
How severe is CVE-2014-4948?: CVE-2014-4948 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2014-4948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-4948?: CVE-2014-4948 affects Citrix Xenserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-4948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-4948 published?: CVE-2014-4948 was published on 2014-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:citrix:xenserver:6.2.0:sp1:*:*:*:*:*:*

More vulnerabilities in Citrix Xenserver

CVE-2014-4947 — Critical (CVSS 10.0): Buffer overflow in the HVM graphics console support in Citrix XenServer 6.2 Service Pack 1 and earlier has unspecified…
CVE-2018-14007 — Critical (CVSS 9.8): Citrix XenServer 7.1 and newer allows Directory Traversal.
CVE-2015-7705 — Critical (CVSS 9.8): The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified…
CVE-2016-5302 — Critical (CVSS 9.8): Citrix XenServer 7.0 before Hotfix XS70E003, when a deployment has been upgraded from an earlier release, might allow…
CVE-2017-12137 — High (CVSS 8.8): arch/x86/mm.c in Xen allows local PV guest OS users to gain host OS privileges via vectors related to map_grant_ref.
CVE-2017-12135 — High (CVSS 8.8): Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain…

All CVEs affecting Citrix Xenserver →