CVE-2018-20815

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

4.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 90.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2019-05-31 21:40Z7 YR AGO

Last updated

2024-08-05 12:12Z2 YR AGO

Reserved

2019-03-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-122Heap-based Buffer OverflowVariant

Data version

5.1

Document digest

04741d621fefc1d8f3e5e1130204e725b82c071c15f9101029d97a142dd2be6f

• git.qemu.orghttps://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=da885fe1ee8b4589047484bd7fa05a4905b52b17x_refsource_MISC
• access.redhat.comRHSA-2019:1667https://access.redhat.com/errata/RHSA-2019:1667vendor-advisoryx_refsource_REDHAT
• lists.fedoraproject.orgFEDORA-2019-52a8f5468ehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2019-e9de40d53fhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/vendor-advisoryx_refsource_FEDORA
• access.redhat.comRHSA-2019:1723https://access.redhat.com/errata/RHSA-2019:1723vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1743https://access.redhat.com/errata/RHSA-2019:1743vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1881https://access.redhat.com/errata/RHSA-2019:1881vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:1968https://access.redhat.com/errata/RHSA-2019:1968vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:2507https://access.redhat.com/errata/RHSA-2019:2507vendor-advisoryx_refsource_REDHAT
• access.redhat.comRHSA-2019:2553https://access.redhat.com/errata/RHSA-2019:2553vendor-advisoryx_refsource_REDHAT
• seclists.org20190825 [SECURITY] [DSA 4506-1] qemu security updatehttps://seclists.org/bugtraq/2019/Aug/41mailing-listx_refsource_BUGTRAQ
• www.debian.orgDSA-4506https://www.debian.org/security/2019/dsa-4506vendor-advisoryx_refsource_DEBIAN