{"cve":"CVE-2020-1711","nvd":{"published":"2020-02-11T20:15:11.350","modified":"2026-06-17T03:02:15.390","status":"Modified","description":"An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L","score":6.0},"cwes":["CWE-787","CWE-122"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html","https://access.redhat.com/errata/RHSA-2020:0669","https://access.redhat.com/errata/RHSA-2020:0730","https://access.redhat.com/errata/RHSA-2020:0731","https://access.redhat.com/errata/RHSA-2020:0773"],"products":["debian:debian_linux","opensuse:leap","qemu:qemu","redhat:enterprise_linux","redhat:openstack"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2020-1711","score":0.04018,"percentile":0.90574,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}