CVE-2021-29665
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by...
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
- Record
CVE-2021-29665- CVSS 3.0
- 9.0 Critical
CVSS:3.0/A:H/I:H/UI:N/AV:N/PR:N/C:H/S:C/AC:H/RC:C/E:U/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-16139
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
- Record
EUVD-2021-16139- CVSS 3.0
- 9.0 Critical
CVSS:3.0/A:H/I:H/UI:N/AV:N/PR:N/C:H/S:C/AC:H/RC:C/E:U/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vcrv-mp64-mrgr No score
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by...
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
- Record
GHSA-vcrv-mp64-mrgr- Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
IBM Security Verify Access 20.07 is vulnerable to a stack based buffer overflow, caused by improper bounds checking which could allow a local attacker to execute arbitrary code on the system with elevated privileges.
- Record
CVE-2021-29665- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 3.0
- 9.0 Critical
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- 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-2021-29665 is a critical vulnerability (CVSS 9.0) in Ibm Security Verify Access, published May 31, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.12%, the 66th percentile. No source names a fixed version.