How severe is CVE-2009-0958?

CVE-2009-0958 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-0958 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0958?

CVE-2009-0958 primarily affects Apple Iphone Os. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0958?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0958 published?

CVE-2009-0958 was published on 2009-06-19 and last updated on 2026-06-16.

CVE-2009-0958

CVE-2009-0958 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 2.0 base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apple Iphone Os
Published: 2009-06-19
Last modified: 2026-06-16

Description

Apple iPhone OS 1.0 through 2.2.1 and iPhone OS for iPod touch 1.1 through 2.2.1 stores an exception for a hostname when the user accepts an untrusted Exchange server certificate, which causes it to be accepted without prompting in future usage and allows remote Exchange servers to obtain sensitive information such as credentials.

Frequently asked questions

What is CVE-2009-0958?: Apple iPhone OS 1.0 through 2.2.1 and iPhone OS for iPod touch 1.1 through 2.2.1 stores an exception for a hostname when the user accepts an untrusted Exchange server certificate, which causes it to be accepted without prompting in future usage and allows remote Exchange servers to obtain sensitive information such as credentials.
How severe is CVE-2009-0958?: CVE-2009-0958 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-0958 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0958?: CVE-2009-0958 primarily affects Apple Iphone Os. In total, 19 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0958?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0958 published?: CVE-2009-0958 was published on 2009-06-19 and last updated on 2026-06-16.

References

Affected products (19)

cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
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:1.1.0:*:*:*:*:*:*:*
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:2.0.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:h:apple:ipod_touch:*:*:*:*:*:*:*:*

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