CVE-2021-20576
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP...
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
- Record
CVE-2021-20576- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/PR:N/S:U/C:N/AC:L/A:H/I:N/UI:N/E:U/RC:C/RL:O - Updated
- 2026-11-02
EUVDEUVD-2021-7994
7.5
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
- Record
EUVD-2021-7994- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/PR:N/S:U/C:N/AC:L/A:H/I:N/UI:N/E:U/RC:C/RL:O - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8pr6-wcxr-5g9c No score
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP...
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
- Record
GHSA-8pr6-wcxr-5g9c- Updated
- 2026-11-02
NVD
7.5
IBM Security Verify Access 20.07 could allow a remote attacker to send a specially crafted HTTP GET request that could cause the application to crash.
- Record
CVE-2021-20576- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - 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-2021-20576 is a high vulnerability (CVSS 7.5) 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 2.48%, the 84th percentile. No source names a fixed version.