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Vulnerabilities

Vulnerability · CVE-2008-4227

Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously…

Published Nov 25, 2008 · catalog updated Jun 16, 2026 · Apple iphone os

Check if you run it

No confirmed exploitation is on record for CVE-2008-4227. EPSS is 1.64%. Act only if a listed version of Apple iphone os is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.64%
Remediation
Advisory link
Affected products
cpe apple/iphone os

Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/iphone os1.0
  • cpe apple/iphone os1.0.1
  • cpe apple/iphone os1.0.2
  • cpe apple/iphone os1.1
  • cpe apple/iphone os1.1.1
  • cpe apple/iphone os1.1.2
  • cpe apple/iphone os1.1.3
  • cpe apple/iphone os1.1.4
  • cpe apple/iphone os1.1.5
  • cpe apple/iphone os2.0
  • cpe apple/iphone os2.0.1
  • cpe apple/iphone os2.0.2

How to fix CVE-2008-4227

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2008-4227. EPSS is 1.64%. Act only if a listed version of Apple iphone os is installed.

Which versions are affected?

Compare what you have installed with apple/iphone os 1.0; apple/iphone os 1.0.1; apple/iphone os 1.0.2; apple/iphone os 1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-310. EPSS 1.64%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 25, 2008 · Apple Security Releases

    Detected

    Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.

  2. Jun 16, 2026 · Apple Security Releases

    Updated

    Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.

Sources

  • Apple Security ReleasesVendor advisoryCVE-2008-4227

    Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 changes the encryption level of PPTP VPN connections to a lower level than was previously used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2008-4227

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2008-4227

    30-day exploitation probability 1.64%

    first.org

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.