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Vulnerabilities

Vulnerability · CVE-2010-4211

The PayPal app before 3.0.1 for iOS does not verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-mi…

Published Nov 9, 2010 · catalog updated Jun 16, 2026 · Apple

Check if you run it

No confirmed exploitation is on record for CVE-2010-4211. EPSS is 0.37%. Act only if a listed version of Apple is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.37%
Remediation
Version ranges on file
Affected products
cpe ebay/paypal

The PayPal app before 3.0.1 for iOS does not verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof a PayPal web server via an arbitrary certificate.

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 ebay/paypal<= 3.0

How to fix CVE-2010-4211

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-2010-4211. EPSS is 0.37%. Act only if a listed version of Apple is installed.

Which versions are affected?

Compare what you have installed with <= 3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-287: Improper Authentication. EPSS 0.37%. 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 9, 2010 · Apple Security Releases

    Detected

    The PayPal app before 3.0.1 for iOS does not verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof a PayPal web server via an arbitrary certificate.

  2. Jun 16, 2026 · Apple Security Releases

    Updated

    The PayPal app before 3.0.1 for iOS does not verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof a PayPal web server via an arbitrary certificate.

Sources

  • Apple Security ReleasesVendor advisoryCVE-2010-4211

    The PayPal app before 3.0.1 for iOS does not verify that the server hostname matches the domain name of the subject of an X.509 certificate, which allows man-in-the-middle attackers to spoof a PayPal web server via an arbitrary certificate.

    nvd.nist.gov
  • CVE.orgVulnerability recordCVE-2010-4211

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2010-4211

    30-day exploitation probability 0.37%

    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.