CVE-2021-29847

Name: CVE-2021-29847
Creator: NVD / NIST
Published: 2021-12-15T20:15:08.317+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.99%

Last modified Jun 17, 2026

CVE-2021-29847 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.99%

58.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Ibm	Power Hardware Management Console \(7063-Cr1\) Firmware	< op825.51
Ibm	Power System Cs822lc \(8005-22n\) Firmware	< op825.51
Ibm	Power System Cs821lc \(8005-12n\) Firmware	< op825.51
Ibm	Power System S822lc \(8001-22c\) Firmware	< op825.51
Ibm	Power System S821lc \(8001-12c\) Firmware	< op825.51

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/205267VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6520420Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/205267VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6520420Vendor Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29847?

How severe is CVE-2021-29847?

CVE-2021-29847 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29847?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29847?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST