CVE-2021-20573
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap-based buffer overflow, caused by improper bounds checking.
Does this matter?
Lower severity and a low EPSS score (1.50%). Track it; it rarely justifies an emergency change on its own.
Description
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote authenticated attacker could overflow the and cause the server to crash. IBM X-Force ID: 199249.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.50% probability · 74th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- ibm/security identity manager adapter
- Source
- psirt@us.ibm.com
EPSS 1.5% 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/199249VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6465875Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/199249VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6465875Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.