CVE-2010-1800: CFNetwork in Apple Mac OS X 10.6.3 and 10.6.4 supports anonymous SSL and TLS connections, which allows man-in-

Routine

MEDIUM 5.0MITIGATEMITIGATEMITIGATE

CVE-2010-1800 is a medium-severity flaw (CVSS 5.0) affecting cfnetwork, mac os x, mac os x server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CFNetwork in Apple Mac OS X 10.6.3 and 10.6.4 supports anonymous SSL and TLS connections, which allows man-in-the-middle attackers to redirect a connection and obtain sensitive information via crafted responses.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-200
Published	2010-08-25
Last modified	2026-06-16

Publisher (CNA): Apple Inc. · Vendor: apple

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2010-08-25 20:00 UTCPublished CVE record published
2026-06-16 23:19 UTCUpdated Record last modified

apple cfnetwork MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cfnetwork || rpm -q cfnetwork || cfnetwork --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

apple mac os x MITIGATE

Affected: 10.6.3 · 10.6.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.6.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

apple mac os x server MITIGATE

Affected: 10.6.3 · 10.6.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.6.3

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2010-1800?

cfnetwork: mitigate or apply the listed mitigation; mac os x: mitigate or apply the listed mitigation; mac os x server: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2010-1800 being exploited?

CVE-2010-1800 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2010-1800 affect?

CVE-2010-1800 affects cfnetwork, mac os x, mac os x server. Severity is medium (CVSS 5.0). CFNetwork in Apple Mac OS X 10.6.3 and 10.6.4 supports anonymous SSL and TLS connections, which allows man-in-the-middle attackers to redirect a connection and obtain sensitive information via crafted responses.

How urgent is CVE-2010-1800?

Priority 35/100. No elevated risk signals yet.

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CVE-2007-0464 MEDIUM 5.0 DOWNGRADE The _CFNetConnectionWillEnqueueRequests function in CFNetwork 129.19 on Apple Mac OS X 10.4 through 10.4.10 al

References

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