How severe is CVE-2008-4227?

CVE-2008-4227 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2008-4227 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-4227?

CVE-2008-4227 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-4227?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2008-4227 published?

CVE-2008-4227 was published on 2008-11-25 and last updated on 2026-06-16.

CVE-2008-4227

CVE-2008-4227 is a high-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Apple Iphone Os
Published: 2008-11-25
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is 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 used, which makes it easier for remote attackers to obtain sensitive information or hijack a connection by decrypting network traffic.
How severe is CVE-2008-4227?: CVE-2008-4227 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2008-4227 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-4227?: CVE-2008-4227 primarily affects Apple Iphone Os. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-4227?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2008-4227 published?: CVE-2008-4227 was published on 2008-11-25 and last updated on 2026-06-16.

References

Affected products (13)

cpe:2.3:o:apple:iphone_os:1.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*

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