CVE-2011-3427
LOW · CVSS 2.6EPSS 0.9%EU EUVD
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.
Key facts
- CVSS score
- 2.6 (v2.0)
- Severity
- LOW
- CVSS vector
AV:N/AC:H/Au:N/C:P/I:N/A:N- Weakness (CWE)
- CWE-200
- EPSS score
- 0.9% (60th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3390)
- Published
- October 14, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3390 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- apple / apple tv
- apple / apple tv
- apple / apple tv
- apple / apple tv
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
- apple / iphone os
References
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00001.html(Vendor Advisory)
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00002.html(Vendor Advisory)
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
- http://osvdb.org/76326
- http://support.apple.com/kb/HT4999(Vendor Advisory)
- http://support.apple.com/kb/HT5001(Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/70547
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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