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Fencer Intel
medium 5.0

CVE-2013-5167 json

CFNetwork in Apple Mac OS X before 10.9 does not properly support Safari's deletion of session cookies in response to a reset operation, wh…

published 13y ago modified 4mo ago also EUVD-2013-5007

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

CFNetwork in Apple Mac OS X before 10.9 does not properly support Safari's deletion of session cookies in response to a reset operation, which makes it easier for remote web servers to track users via Set-Cookie HTTP headers.

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Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.