CVE-2021-20487
First published: Thu Apr 29 2021(Updated: )
IBM Power9 Self Boot Engine(SBE) could allow a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM OPENBMC | <=OP940 | |
| IBM Server Firmware | <=FW930 | |
| IBM Server Firmware | <=FW941 | |
| IBM Server Firmware | <=FW940 | |
| Ibm Power9 System Firmware | >=fw930.00<fw930.30 | |
| Ibm Power9 System Firmware | >=fw940.00<fw940.20 | |
| Ibm 9008-22l | ||
| Ibm 9009-22a | ||
| Ibm 9009-41a | ||
| Ibm 9009-42a | ||
| Ibm 9040-mr9 | ||
| Ibm 9080-m9s | ||
| Ibm 9223-22h | ||
| Ibm 9223-42h | ||
| Ibm Power9 System Firmware | <fw950.00 | |
| Ibm 9009-22g | ||
| Ibm 9009-41g | ||
| Ibm 9009-42g | ||
| Ibm 9223-22s | ||
| Ibm 9223-42s | ||
| Ibm Scale-out Lc System Firmware | <op940.20 | |
| Ibm 8335-gth | ||
| Ibm 8335-gtx | ||
| Ibm 9183-22x |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2021-20487.
What software is affected by this vulnerability?
The affected software includes IBM OPENBMC (OP940), IBM Server Firmware (FW930 and FW941), and IBM Power9 System Firmware (up to fw930.30 and fw940.20).
What is the severity of CVE-2021-20487?
The severity of CVE-2021-20487 is critical.
How does this vulnerability allow injection of malicious code?
This vulnerability allows a privileged user to inject malicious code and compromise the integrity of the host firmware bypassing the host firmware signature verification process.
How can I fix CVE-2021-20487?
To fix CVE-2021-20487, it is recommended to apply the necessary security patches or firmware updates provided by IBM.
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- collector/mitre-cve
- source/MITRE
- collector/ibm-support
- source/IBM
- agent/software-canonical-lookup
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/author
- agent/softwarecombine
- agent/description
- agent/tags
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/ibm
- canonical/ibm openbmc
- version/ibm openbmc/op940
- canonical/ibm server firmware
- version/ibm server firmware/fw930
- version/ibm server firmware/fw941
- version/ibm server firmware/fw940
- canonical/ibm power9 system firmware
- version/ibm power9 system firmware/fw930.00
- version/ibm power9 system firmware/fw940.00
- canonical/ibm 9008-22l
- canonical/ibm 9009-22a
- canonical/ibm 9009-41a
- canonical/ibm 9009-42a
- canonical/ibm 9040-mr9
- canonical/ibm 9080-m9s
- canonical/ibm 9223-22h
- canonical/ibm 9223-42h
- canonical/ibm 9009-22g
- canonical/ibm 9009-41g
- canonical/ibm 9009-42g
- canonical/ibm 9223-22s
- canonical/ibm 9223-42s
- canonical/ibm scale-out lc system firmware
- canonical/ibm 8335-gth
- canonical/ibm 8335-gtx
- canonical/ibm 9183-22x