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CVE-2012-5787
The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName…
Medium5.8EPSS 0.91%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The PayPal merchant SDK does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 0.91% · top 40% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.8.
Weakness
Affected products
n/a
- affected n/a
References (5)
- 56445 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- paypal-sdk-spoofing(79913) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.cs.utexas.edu/~shmat/shmat_ccs12.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 51184 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://github.com/paypal/SDKs/commit/5f2d6dd77fb4211dcde34e36f1864234526c5d64 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .