01 Record
CVE-2023-20581
Improper access control in the IOMMU may allow a privileged attacker to bypass RMP checks, potentially leading to a loss of guest memory integrity.
LowPUBLISHEDCNA: AMD
CNA base score2.5 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N
02 Description
Improper access control in the IOMMU may allow a privileged attacker to bypass RMP checks, potentially leading to a loss of guest memory integrity.
03 Exploitation and scoring
- 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.
- EPSS probability
- 0.16% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 5.8% of scored records. A rank, not a probability.
- NVD base score
- 2.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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.
04 Metadata
- Published
- 2025-02-11 21:26Z1 YR AGO
- Last updated
- 2025-02-12 15:34Z1 YR AGO
- Reserved
- 2022-10-27
- Assigning CNA
- AMD
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:N
- Weaknesses
- CWE-1284Improper Validation of Specified Quantity in InputBase
- Data version
- 5.1
- Document digest
- c5971231a6a2fcbee323277b44e4f046a46631341291fb930b1eed1e99c6eaeb
05 Affected products
VendorProductVersionsPlatforms