CVE-2021-29847
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow...
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
- Record
CVE-2021-29847- CVSS 3.0
- 5.3 Medium
CVSS:3.0/PR:N/I:N/S:U/UI:R/C:H/AC:H/A:N/AV:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-16321
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
- Record
EUVD-2021-16321- CVSS 3.0
- 5.3 Medium
CVSS:3.0/PR:N/I:N/S:U/UI:R/C:H/AC:H/A:N/AV:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8wxh-27vw-26wh No score
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow...
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
- Record
GHSA-8wxh-27vw-26wh- Updated
- 2026-11-02
NVD
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
- Record
CVE-2021-29847- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29847 is a medium vulnerability (CVSS 5.3) in Ibm Power System S821lc Server (8001-12c), published December 15, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.02%, the 63rd percentile. No source names a fixed version.