CVE-2009-2072

5.4 MEDIUM 0.3% exploit odds No fix listed

What it is

Apple Safari does not require a cached certificate before displaying a lock icon for an https web site, which allows man-in-the-middle attackers to spoof an arbitrary https site by sending the browser a crafted (1) 4xx or (2) 5xx CONNECT response page for an https request sent through a proxy server.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2009-06-15 19:30 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:08 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 5.4 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2009-06-15 19:30 UTC
Last modified: 2026-06-16 23:08 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Modified

Affected

Apple Safari ≤ 3.2.1
Apple Safari 0.8
Apple Safari 0.9
Apple Safari 1.0
Apple Safari 1.0.0
Apple Safari 1.0.0b1
Apple Safari 1.0.0b2
Apple Safari 1.0.1

Attack profile CVSS 2.0 · 5.4

Attack vector: Adjacent network
Complexity: Medium
Authentication: None
Confidentiality: Partial
Integrity: Partial
Availability: Partial

Raw vector

AV:A/AC:M/Au:N/C:P/I:P/A:P

Is it in your code?

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References

NVD record · CVE.org record