CVE-2020-4511
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the...
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.
- Record
CVE-2020-4511- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AC:L/S:U/C:N/UI:N/AV:N/I:N/A:H/PR:L/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2020-25758
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.
- Record
EUVD-2020-25758- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AC:L/S:U/C:N/UI:N/AV:N/I:N/A:H/PR:L/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v88m-pxx4-rpwh No score
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the...
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.
- Record
GHSA-v88m-pxx4-rpwh- Updated
- 2026-11-02
NVD
IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.
- Record
CVE-2020-4511- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4511 is a medium vulnerability (CVSS 6.5) in Ibm Qradar Siem, published July 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.14%, the 66th percentile. No source names a fixed version.