CVE-2021-20400
CVSS V2 Medium 5
CVSS V3 High 7.5
Description
IBM QRadar SIEM 7.3 and 7.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196074.
Overview
- CVE ID
- CVE-2021-20400
- Assigner
- psirt@us.ibm.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-01T17:15:07
- Last Modified Date
- 2021-12-02T15:59:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:* | 1 | OR | 7.3.0 | 7.3.3 |
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:* | 1 | OR | 7.4.0 | 7.4.3 |
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_6:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_7:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_8:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.3.3:fix_pack_9:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ibm:qradar_security_information_and_event_manager:7.4.3:fix_pack_3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 5
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://exchange.xforce.ibmcloud.com/vulnerabilities/196074 | VDB Entry Vendor Advisory |
| https://www.ibm.com/support/pages/node/6520488 | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-20400 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20400 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:43:34 | Added to TrackCVE | |||
| 2022-12-05 15:23:04 | 2021-12-01T17:15Z | 2021-12-01T17:15:07 | CVE Published Date | updated |
| 2022-12-05 15:23:04 | 2021-12-02T15:59:03 | CVE Modified Date | updated | |
| 2022-12-05 15:23:04 | Analyzed | Vulnerability Status | updated |