CVE-2011-0228
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the...
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.
Exploit likelihood
What each source reports
NVD Score used
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.
- Record
CVE-2011-0228- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.
- Record
CVE-2011-0228- Updated
- 2026-11-02
EUVDEUVD-2011-0254 No score
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.
- Record
EUVD-2011-0254- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6mm9-r7wf-jwhj No score
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the...
The Data Security component in Apple iOS before 4.2.10 and 4.3.x before 4.3.5 does not check the basicConstraints parameter during validation of X.509 certificate chains, which allows man-in-the-middle attackers to spoof an SSL server by using a non-CA certificate to sign a certificate for an arbitrary domain.
- Record
GHSA-6mm9-r7wf-jwhj- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | jan0/isslfix | 2011-07-31 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0228 is a high vulnerability (CVSS 7.5) in Apple Iphone Os, published August 29, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.60%, the 93rd percentile. No source names a fixed version.