CVE Feed

    Dashboard / CVE / CVE-2021-20400

    CVE-2021-20400

    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.

    Published:Dec 1, 2021
    Last Modified:Nov 21, 2024
    EPS:Dec 1, 2021
    EPSS Score:0.00112
    CVSS Score:7.5

    Affected Products

    Vendor
    Ibm
    Product
    Qradar Security Information And Event Manager
    Vendor
    Linux
    Product
    Linux Kernel

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-326 Inadequate Encryption Strength

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-112 Brute Force
    CAPEC-192 Protocol Analysis
    CAPEC-20 Encryption Brute Forcing

    Related CVEs

    CVE-2024-56462 (CVSS 7.2) — IBM QRadar 7.5.0 through 7.5.0 UP15 Interim Fix 002 could allow a privileged user to upload a malicious backup…
    CVE-2025-36051 (CVSS 6.2) — IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 stores potentially sensitive information in configuratio…
    CVE-2025-13995 (CVSS 5) — IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 could allow an attacker with access to one tenant to acc…
    CVE-2025-15051 (CVSS 5.4) — IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 is vulnerable to cross-site scripting. This vulnerabilit…
    CVE-2026-1276 (CVSS 5.4) — IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 is vulnerable to cross-site scripting. This vulnerabilit…
    CVE-2024-56464 (CVSS 2.7) — IBM QRadar SIEM 7.5 - 7.5.0 UP14 IF01 is affected by an information disclosure vulnerability involving exposur…
    CVE-2025-33119 (CVSS 6.5) — IBM QRadar SIEM 7.5 through 7.5.0 UP14 stores user credentials in configuration files in source control which …
    CVE-2025-36138 (CVSS 6.4) — IBM QRadar SIEM 7.5 through 7.5.0 Update Pack 13 Independent Fix 02 is vulnerable to stored cross-site scripti…
    CVE-2025-36170 (CVSS 6.4) — IBM QRadar SIEM 7.5 through 7.5.0 Update Pack 13 Independent Fix 02 is vulnerable to stored cross-site scripti…
    CVE-2025-36007 (CVSS 7.8) — IBM QRadar SIEM 7.5 through 7.5.0 Update Pack 13 Independent Fix 02 is vulnerable to privilege escalation due …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High