CVE-2011-3427
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly...
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
Exploit likelihood
What each source reports
NVD Score used
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
- Record
CVE-2011-3427- CVSS 2.0
- 2.6 Low
AV:N/AC:H/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
- Record
CVE-2011-3427- Updated
- 2026-11-02
EUVDEUVD-2011-3390 No score
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
- Record
EUVD-2011-3390- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q64w-j52m-r9m5 No score
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly...
The Data Security component in Apple iOS before 5 and Apple TV before 4.4 does not properly restrict use of the MD5 hash algorithm within X.509 certificates, which makes it easier for man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.
- Record
GHSA-q64w-j52m-r9m5- Weakness
- CWE-200
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-3427 is a low vulnerability (CVSS 2.6) in Apple Tv, published October 14, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 59th percentile. No source names a fixed version.
References
lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html
osvdb.org/76326
exchange.xforce.ibmcloud.com/vulnerabilities/70547
support.apple.com/kb/HT4999
nvd.nist.gov/vuln/detail/CVE-2011-3427
github.com/advisories/GHSA-q64w-j52m-r9m5