Buffer overflow in IBM Security Identity Manager Adapter
CVE-2021-20494
IBM Security Identity Manager Adapters 6.0 and 7.0 are vulnerable to a heap based buffer overflow, caused by improper bounds. An authenticared user could overflow the buffer and cause the service to crash. IBM X-Force ID: 197882.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (65.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- IBM Security Identity Manager Adapter — versions 6.0.0.0, 7.0.0.0
- IBM Security Identity Manager Adapters — versions 6.0, 7.0
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/6465875 (Patch, Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/197882 (VDB Entry, vdb-entry)
Frequently asked questions
- What is CVE-2021-20494?
- CVE-2021-20494 is a medium-severity vulnerability in IBM Security Identity Manager Adapter, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-06-28.
- How severe is CVE-2021-20494?
- Medium severity. CVSS v3 base score is 6.5 out of 10.