How severe is CVE-2013-4536?

CVE-2013-4536 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-4536 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-4536?

CVE-2013-4536 affects Qemu. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-4536?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-4536 published?

CVE-2013-4536 was published on 2021-05-28 and last updated on 2026-06-16.

CVE-2013-4536

CVE-2013-4536 is a high-severity vulnerability in Qemu with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Qemu
Published: 2021-05-28
Last modified: 2026-06-16

Description

An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

Frequently asked questions

What is CVE-2013-4536?: An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.
How severe is CVE-2013-4536?: CVE-2013-4536 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-4536 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4536?: CVE-2013-4536 affects Qemu. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-4536?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-4536 published?: CVE-2013-4536 was published on 2021-05-28 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

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