CVE-2020-15863

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 40.9% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-07-28 15:40Z6 YR AGO

Last updated

2024-08-04 13:30Z2 YR AGO

Reserved

2020-07-21

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase
• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

c638d82a3ab81d3885625f7e89173d9e6bf7cfa6b8f346a684bec4cfb566d2b4

• lists.nongnu.orghttps://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.htmlx_refsource_MISC
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2020/07/22/1x_refsource_CONFIRM
• git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555x_refsource_CONFIRM
• lists.nongnu.orghttps://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.htmlx_refsource_MISC
• usn.ubuntu.comUSN-4467-1https://usn.ubuntu.com/4467-1/vendor-advisoryx_refsource_UBUNTU
• www.debian.orgDSA-4760https://www.debian.org/security/2020/dsa-4760vendor-advisoryx_refsource_DEBIAN
• lists.opensuse.orgopenSUSE-SU-2020:1664http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.htmlvendor-advisoryx_refsource_SUSE
• security.gentoo.orgGLSA-202208-27https://security.gentoo.org/glsa/202208-27vendor-advisoryx_refsource_GENTOO