CVE-2013-4355

CVE-2013-4355 is a low-severity vulnerability in Xen with a CVSS 2.0 base score of 1.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Description

Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.

Frequently asked questions

What is CVE-2013-4355?
Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified operations related to addresses without associated memory.
How severe is CVE-2013-4355?
CVE-2013-4355 has a CVSS 2.0 base score of 1.5, rated low severity.
Is CVE-2013-4355 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4355?
CVE-2013-4355 primarily affects Xen. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-4355?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4355 published?
CVE-2013-4355 was published on 2013-10-01 and last updated on 2026-06-16.

References

Affected products (33)

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