How severe is CVE-2009-3273?

CVE-2009-3273 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-3273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3273?

CVE-2009-3273 primarily affects Apple Iphone Os. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3273?

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-2009-3273 published?

CVE-2009-3273 was published on 2009-09-21 and last updated on 2026-06-16.

CVE-2009-3273

CVE-2009-3273 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: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Apple Iphone Os
Published: 2009-09-21
Last modified: 2026-06-16

Description

iPhone Mail in Apple iPhone OS, and iPhone OS for iPod touch, does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary SSL e-mail servers via a crafted certificate.

Frequently asked questions

What is CVE-2009-3273?: iPhone Mail in Apple iPhone OS, and iPhone OS for iPod touch, does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary SSL e-mail servers via a crafted certificate.
How severe is CVE-2009-3273?: CVE-2009-3273 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-3273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3273?: CVE-2009-3273 primarily affects Apple Iphone Os. In total, 48 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3273?: 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-2009-3273 published?: CVE-2009-3273 was published on 2009-09-21 and last updated on 2026-06-16.

References

Affected products (48)

cpe:2.3:o:apple:iphone_os:1.0:*:*:*:*:*:*:*
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:1.0.1:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.0.2:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.0:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.0:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.1:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.2:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.2:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.3:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.3:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.4:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.4:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.5:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:1.1.5:-:ipodtouch:*:*:*:*:*
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:2.0.0:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.0:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.1:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.1:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.2:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.0.2:-:ipodtouch:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1:-:iphone:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:2.1:-:ipodtouch:*:*:*:*:*
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:-:iphone:*:*:*:*:*

More vulnerabilities in Apple Iphone Os

CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
CVE-2022-32845 — Critical (CVSS 10.0): This issue was addressed with improved checks. This issue is fixed in watchOS 8.7, iOS 15.6 and iPadOS 15.6, macOS…
CVE-2019-8779 — Critical (CVSS 10.0): A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct…
CVE-2018-4310 — Critical (CVSS 10.0): An access issue was addressed with additional sandbox restrictions. This issue affected versions prior to iOS 12, macOS…

All CVEs affecting Apple Iphone Os →

Other CWE-310 (Cryptographic Issues) vulnerabilities

CVE-2014-7878 — Critical (CVSS 10.0): The Application Lifecycle Service (ALS) in HP Helion Cloud Development Platform 1.0, when a virtual machine is derived…
CVE-2013-3712 — Critical (CVSS 10.0): SUSE Studio Onsite 1.3.x before 1.3.6 and SUSE Studio Extension for System z 1.3 uses "static" secret tokens, which has…
CVE-2013-6952 — Critical (CVSS 10.0): The Belkin WeMo Home Automation firmware before 3949 has a hardcoded GPG key, which makes it easier for remote…
CVE-2013-6838 — Critical (CVSS 10.0): An unspecified Enghouse Interactive Professional Services "addon product" in Enghouse Interactive IVR Pro (VIP2000)…
CVE-2013-0137 — Critical (CVSS 10.0): The default configuration of the Digital Alert Systems DASDEC EAS device before 2.0-2 and the Monroe Electronics R189…
CVE-2011-5123 — Critical (CVSS 10.0): The Antivirus component in Comodo Internet Security before 5.3.175888.1227 does not check whether X.509 certificates in…

Browse all CWE-310 (Cryptographic Issues) vulnerabilities →