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-middle attackers to spoof a PayPal web server via an arbitrary certificate.

Published: 2010-11-08 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-4211 is rated Low Risk (22/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.37%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2010-4211

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.08% 0.37% +0.29%
2 2023-03-07 1.18% 0.08% -1.10%
3 2022-02-04 — 1.18% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-4211

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.9 2.0 LOW
AV:A/AC:M/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 5.5 2.9 [email protected]

Weakness enumeration for CVE-2010-4211

Affected software / configurations for CVE-2010-4211

Vendor Product Version Raw CPE
ebay paypal <= 3.0 cpe:2.3:a:ebay:paypal:*:*:*:*:*:*:*:*

References for CVE-2010-4211

cvelogic Threat Intelligence