CVE-2020-11947
CVE-2020-11947 is a low-severity vulnerability in Qemu with a CVSS 3.x base score of 3.8. 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-125.
Key facts
- Severity: Low (CVSS 3.x base score 3.8)
- CVSS v2: 2.1
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Qemu
- Published:
- Last modified:
Description
iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.
Frequently asked questions
- What is CVE-2020-11947?
- iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.
- How severe is CVE-2020-11947?
- CVE-2020-11947 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2020-11947 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-11947?
- CVE-2020-11947 affects Qemu. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-11947?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-11947 published?
- CVE-2020-11947 was published on 2020-12-31 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2021/01/13/4
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5
- https://security.netapp.com/advisory/ntap-20210212-0001/
Affected products (1)
- cpe:2.3:a:qemu:qemu:4.1.0:-:*:*:*:*:*:*
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