CVE-2021-38878
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key...
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
- Record
CVE-2021-38878- CVSS 3.0
- 5.9 Medium
CVSS:3.0/PR:N/S:U/I:H/A:N/UI:N/C:N/AV:N/AC:H/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-25315
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
- Record
EUVD-2021-25315- CVSS 3.0
- 5.9 Medium
CVSS:3.0/PR:N/S:U/I:H/A:N/UI:N/C:N/AV:N/AC:H/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2wp7-73q4-52p8
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key...
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
- Record
GHSA-2wp7-73q4-52p8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.
- Record
CVE-2021-38878- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - 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-2021-38878 is a medium vulnerability (CVSS 5.9) in Ibm Qradar Siem, published April 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. No source names a fixed version.