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TI-2022-20498 Aliases CVE-2022-42276GHSA-r3r2-xcc8-f7fp

Authentication bypass in NVIDIA DGX servers

Priority LOW 37CWE-288Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-288.

Summary

NVIDIA DGX A100 contains a vulnerability in SBIOS in the SmiFlash, where a local user with elevated privileges can read, write and erase flash, which may lead to code execution, escalation of privileges, denial of service, and information disclosure. The scope of impact can extend to other components.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00191 8th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NVIDIANVIDIA DGX serversAll SBIOS firmware versions prior to 1.18—No fix listedCNA
  • NVIDIA DGX servers VendorNVIDIA Affected All SBIOS firmware versions prior to 1.18 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:nvidia:dgx_a100_firmware:*:*:*:*:sbios:*:*:*before 1.18VulnerableNVIDIA
cpe:2.3:h:nvidia:dgx_a100:-:*:*:*:*:*:*:*not specified by NVDRunning onNVIDIA
  • cpe:2.3:o:nvidia:dgx_a100_firmware:*:*:*:*:sbios:*:*:* Versions before 1.18 Vulnerable ·NVIDIA
  • cpe:2.3:h:nvidia:dgx_a100:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NVIDIA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-42276
  2. 2026-10-03 Alias added: GHSA-r3r2-xcc8-f7fp

References

Advisory 1

  • TI-2023-14766 Stack-based buffer overflow in NVIDIA DGX A100 CVSS 3.1CRITICAL 9.8
  • TI-2023-14767 Stack-based buffer overflow in NVIDIA DGX A100 CVSS 3.1CRITICAL 9.8
  • TI-2023-14761 Stack-based buffer overflow in NVIDIA DGX A100 CVSS 3.1CRITICAL 9.8
  • TI-2022-20512 OS command injection in NVIDIA DGX servers CVSS 3.1HIGH 8.8
  • TI-2022-20511 OS command injection in NVIDIA DGX servers CVSS 3.1HIGH 8.8
  • TI-2022-20501 OS command injection in NVIDIA DGX servers CVSS 3.1HIGH 8.8
See all 27 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences