4.9
MEDIUM
CVE-2021-29891
IBM OpenBMC Certificate Spoofing Vulnerability
Description

IBM OPENBMC OP910 and OP940 could allow a privileged user to upload an improper site identity certificate that may cause it to lose network services. IBM X-Force ID: 207221.

INFO

Published Date :

Aug. 22, 2022, 8:15 p.m.

Last Modified :

Aug. 25, 2022, 4:04 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.2
Affected Products

The following products are affected by CVE-2021-29891 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Ibm power_system_ac922_\(8335-gtg\)_firmware
2 Ibm power_system_ac922_\(8335-gth\)_firmware
3 Ibm power_system_ac922_\(8335-gtx\)_firmware
4 Ibm power_9_ac922_firmware
5 Ibm hardware_management_console_7063-cr2_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-29891.

URL Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/207221 VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6614233 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-29891 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-29891 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Aug. 25, 2022

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/207221 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/207221 VDB Entry, Vendor Advisory
    Changed Reference Type https://www.ibm.com/support/pages/node/6614233 No Types Assigned https://www.ibm.com/support/pages/node/6614233 Vendor Advisory
    Added CWE NIST CWE-434
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gtg\)_firmware:op910:*:*:*:*:*:*:* OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gtg\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gtx\)_firmware:op910:*:*:*:*:*:*:* *cpe:2.3:o:ibm:power_system_ac922_\(8335-gtx\)_firmware:op940:*:*:*:*:*:*:* OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gtx\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:power_system_ac922_\(8335-gth\)_firmware:op910:*:*:*:*:*:*:* *cpe:2.3:o:ibm:power_system_ac922_\(8335-gth\)_firmware:op940:*:*:*:*:*:*:* OR cpe:2.3:h:ibm:power_system_ac922_\(8335-gth\):-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:ibm:hardware_management_console_7063-cr2_firmware:op940:*:*:*:*:*:*:* OR cpe:2.3:h:ibm:hardware_management_console_7063-cr2:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-29891 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-29891 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.08 }} 0.01%

score

0.31035

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability