CVE-2021-38878
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.15% probability · 67th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- ibm/qradar security information and event manager
- Source
- psirt@us.ibm.com
EPSS 1.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/208756VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6574787Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/208756VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6574787Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.