Is CVE-2013-0963 being actively exploited?

CVE-2013-0963 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-0963?

CVE-2013-0963 has a CVSS 2.0 base score of 2.1 (LOW).

CVE-2013-0963

LOW · CVSS 2.1EPSS 0.2%EU EUVD

Identity Services in Apple iOS before 6.1 does not properly handle validation failures of AppleID certificates, which might allow physically proximate attackers to bypass authentication by leveraging an incorrect assignment of an empty string value to an AppleID.

Key facts

CVSS score: 2.1 (v2.0)
Severity: LOW
CVSS vector: AV:L/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-20
EPSS score: 0.2% (12th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-0974)
Published: January 29, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-0974 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

apple / iphone os
apple / iphone os
apple / iphone os

References

http://lists.apple.com/archives/security-announce/2013/Jan/msg00000.html(Vendor Advisory)
http://lists.apple.com/archives/security-announce/2013/Mar/msg00002.html
http://support.apple.com/kb/HT5642(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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