CVE-2023-0330

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 16.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. 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

2023-03-06 00:00Z3 YR AGO

Last updated

2024-08-02 05:10Z2 YR AGO

Reserved

2023-01-16

Assigning CNA

fedora

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

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

Data version

5.1

Document digest

349d1a75e781e693b34cfd69a1163d9b651ce31126c7b7760ecbdb930b18fbe1

• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-0330vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2160151https://bugzilla.redhat.com/show_bug.cgi?id=2160151issue-trackingx_refsource_REDHAT
• lists.debian.org[debian-lts-announce] 20231005 [SECURITY] [DLA 3604-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2023/10/msg00006.htmlmailing-list
• lists.nongnu.orghttps://lists.nongnu.org/archive/html/qemu-devel/2023-01/msg03411.html