Insufficient address validation, may allow an attacker with a compromised ABL and UApp to…
Priority LOW 30Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Insufficient address validation, may allow an attacker with a compromised ABL and UApp to corrupt sensitive memory locations potentially resulting in a loss of integrity or availability.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00176 7th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| AMD | 3rd Gen AMD EPYC™ | various | — | No fix listed | CNA |
- 3rd Gen AMD EPYC™ VendorAMD Affected various Fixed in — No fix listed CNA
CPE configurations NVD · 46
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
- cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7373x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
Show 36 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7473x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
| cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* | before milanpi_1.0.0.9 | Vulnerable | AMD |
| cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | AMD |
- cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7473x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7573x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
- cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:* Versions before milanpi_1.0.0.9 Vulnerable ·AMD
- cpe:2.3:h:amd:epyc_7773x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·AMD
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
AMD 3rd Gen AMD EPYC™ — amd.com/en/corporate/product-security/bulletin/AMD-SB-3001
10 records Highest priority Priority MEDIUM 4 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2023-06992 Out-of-bounds write in AMD 1st Gen AMD EPYC™Priority MEDIUM 50
- TI-2021-08202 Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce…Priority MEDIUM 50
- TI-2021-21485 Improper input validation in AMD 2nd Gen AMD EPYC™Priority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2021-26397
- 2026-10-03 Alias added: GHSA-9xw2-mpxf-37x2
References
More AMD Epyc 72f3 Firmware vulnerabilities
- TI-2023-06992 Out-of-bounds write in AMD 1st Gen AMD EPYC™ CVSS 3.1CRITICAL 9.8
- TI-2021-08202 Insufficient input validation of mailbox data in the SMU may allow an attacker to coerce… CVSS 3.1CRITICAL 9.8
- TI-2023-07040 Improper re-initialization of IOMMU during the DRTM event may permit an untrusted… CVSS 3.1CRITICAL 10.0
- TI-2021-21473 Improper input validation in AMD Ryzen™ 2000 series Desktop Processors “Raven Ridge” AM4 CVSS 3.1CRITICAL 9.1
- TI-2021-21485 Improper input validation in AMD 2nd Gen AMD EPYC™ CVSS 3.1HIGH 8.8
- TI-2021-21480 Out-of-bounds write in AMD 2nd Gen AMD EPYC™ CVSS 3.1HIGH 7.5
Sources
- CVE-2021-26397 · CVE Program
- CVE-2021-26397 · NVD
- FIRST EPSS
- GHSA-9xw2-mpxf-37x2 · GitHub Advisory Database · CC BY 4.0
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