Out-of-bounds Read in Qemu
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Qemu — versions 4.1.0
Weakness classification (CWE)
References
- git.qemu.org/
- www.openwall.com/lists/oss-security/2021/01/13/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210212-0001/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-11947?
- CVE-2020-11947 is a low-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 3.8/10. Published 2020-12-31.
- How severe is CVE-2020-11947?
- Low severity. CVSS v3 base score is 3.8 out of 10.