CVE-2020-12954
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI...
CVE-2020-12954 is a medium vulnerability (CVSS 5.5) in Amd 1st Gen Amd Epyc™, published November 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.
- Severity
- 5.5 MediumCVSS 3.1, NVD
- Exploit chance
- 0.23%EPSS, 14th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
Affected products
- amd 1st gen amd epyc™
- amd 2nd gen amd epyc™
- amd 3rd gen amd epyc™
- amd epyc 7001 firmware
- amd epyc 7002 firmware
- amd epyc 7003 firmware
- amd epyc 7232p firmware
- amd epyc 7251 firmware
- amd epyc 7252 firmware
- amd epyc 7262 firmware
- amd epyc 7272 firmware
- amd epyc 7281 firmware
Show 49 moreShow less
- amd epyc 7282 firmware
- amd epyc 72f3 firmware
- amd epyc 7301 firmware
- amd epyc 7302 firmware
- amd epyc 7302p firmware
- amd epyc 7313 firmware
- amd epyc 7313p firmware
- amd epyc 7343 firmware
- amd epyc 7351 firmware
- amd epyc 7351p firmware
- amd epyc 7352 firmware
- amd epyc 73f3 firmware
- amd epyc 7401 firmware
- amd epyc 7401p firmware
- amd epyc 7402 firmware
- amd epyc 7402p firmware
- amd epyc 7413 firmware
- amd epyc 7443 firmware
- amd epyc 7443p firmware
- amd epyc 7451 firmware
- amd epyc 7452 firmware
- amd epyc 7453 firmware
- amd epyc 74f3 firmware
- amd epyc 7501 firmware
- amd epyc 7502 firmware
- amd epyc 7502p firmware
- amd epyc 7513 firmware
- amd epyc 7532 firmware
- amd epyc 7542 firmware
- amd epyc 7543 firmware
- amd epyc 7543p firmware
- amd epyc 7551 firmware
- amd epyc 7551p firmware
- amd epyc 7552 firmware
- amd epyc 75f3 firmware
- amd epyc 7601 firmware
- amd epyc 7642 firmware
- amd epyc 7643 firmware
- amd epyc 7662 firmware
- amd epyc 7663 firmware
- amd epyc 7702 firmware
- amd epyc 7702p firmware
- amd epyc 7713 firmware
- amd epyc 7713p firmware
- amd epyc 7742 firmware
- amd epyc 7763 firmware
- amd epyc 7f32 firmware
- amd epyc 7f52 firmware
- amd epyc 7f72 firmware
What each source reports
NVD Score used
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
- Record
CVE-2020-12954- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-693
- Updated
- 2026-11-02
CVE ListNo score
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
- Record
CVE-2020-12954- Weakness
- CWE-693
- Updated
- 2026-11-02
EUVDEUVD-2020-5234No score
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
- Record
EUVD-2020-5234- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rjfc-fv4g-m58q
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI...
A side effect of an integrated chipset option may be able to be used by an attacker to bypass SPI ROM protections, allowing unauthorized SPI ROM modification.
- Record
GHSA-rjfc-fv4g-m58q- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.