Vulnerability Name:

CVE-2021-29792 (CCN-203450)

Assigned:2021-07-09
Published:2021-07-09
Updated:2021-07-14
Summary:IBM Event Streams 10.0, 10.1, 10.2, and 10.3 could allow a user the CA private key to create their own certificates and deploy them in the cluster and gain privileges of another user. IBM X-Force ID: 203450.
CVSS v3 Severity:7.2 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
6.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
4.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L)
4.1 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-269
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2021-29792

Source: XF
Type: UNKNOWN
ibm-eventstreams-cve202129792-priv-escalation(203450)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-eventstreams-cve202129792-priv-escalation (203450)

Source: CCN
Type: IBM Security Bulletin 6469451 (Event Streams)
Event Streams documentation for generating .p12 files incorrectly adds the CA key into the file (CVE-2021-29792)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6469451

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:event_streams:10.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:event_streams:10.1.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:event_streams:10.2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:event_streams:10.3.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:event_streams:10.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ibm event streams 10.0.0
    ibm event streams 10.1.0
    ibm event streams 10.2.0
    ibm event streams 10.3.0
    ibm event streams 10.0