Qradar Security Information And Event Manager
CVE-2020-4271
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A08:2025 - Software or Data Integrity Failures
ASVS 5.0
V1 - Encoding and Sanitization Safe deserialization, type allowlists
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could execute arbitrary code through malicious serialized objects by sending crafted requests to the affected application. |
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Alert meAnalysisAI
IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow an authenticated user to send a specially crafted command which would be executed as a lower privileged user. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow an authenticated user to send a specially crafted command which would be executed as a lower privileged user. IBM X-ForceID: 175897. Affected products include: Ibm Qradar Security Information And Event Manager.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow an authenticated user to send a specially crafted command which would be executed as a lower privileged user. IBM X-ForceID: 175897.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.
Affected Products (CPE)NVD
GNU Bash through 4.3 processes trailing strings after function definitions in the values of environment variables, which
GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed function definitions in the values of
IBM Security QRadar SIEM 7.2 and 7.3 could allow a user to bypass authentication which could lead to code execution. Rat
IBM QRadar SIEM 7.3 and 7.4 could allow a remote attacker to execute arbitrary commands on the system, caused by insecur
IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a remote attacker to include arbitrary files. Rated high severity (CVSS 8.
IBM QRadar Incident Forensics (IBM QRadar SIEM 7.2, and 7.3) could allow a remote attacker to bypass authentication and
IBM QRadar 7.3.0 to 7.3.3 Patch 2 could allow a local user to gain escalated privileges due to weak file permissions. Ra
IBM QRadar 7.3.0 to 7.3.3 Patch 2 contains hard-coded credentials, such as a password or cryptographic key, which it use
Unspecified vulnerability in IBM Security QRadar SIEM 7.1 MR2 and 7.2 MR2 allows remote attackers to execute arbitrary c
IBM QRadar 7.3.0 to 7.3.3 Patch 2 is vulnerable to Server Side Request Forgery (SSRF). Rated medium severity (CVSS 6.3),
IBM QRadar 7.2 and 7.3 could allow a remote authenticated attacker to execute arbitrary commands on the system. Rated hi
IBM QRadar SIEM 7.1 MR2 before Patch 11 IF02 and 7.2.x before 7.2.5 Patch 4 allows remote authenticated users to execute
GitHub PoC
Exploit-DB