CVE-2021-20494

CVSS V2 Medium 4 CVSS V3 Medium 6.5
Description
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882.
Overview
  • CVE ID
  • CVE-2021-20494
  • Assigner
  • psirt@us.ibm.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-28T16:15:08
  • Last Modified Date
  • 2021-06-29T21:00:19
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:ibm:security_identity_manager_adapter:6.0.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:ibm:security_identity_manager_adapter:7.0.0.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.ibm.com/support/pages/node/6465875 Patch Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/197882 VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20494
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20494
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:24 Added to TrackCVE
2022-12-05 05:06:56 2021-06-28T16:15Z 2021-06-28T16:15:08 CVE Published Date updated
2022-12-05 05:06:56 2021-06-29T21:00:19 CVE Modified Date updated
2022-12-05 05:06:56 Analyzed Vulnerability Status updated