CVE-2013-4545
MEDIUM · CVSS 4.3EPSS 3.0%EU EUVD
cURL and libcurl 7.18.0 through 7.32.0, when built with OpenSSL, disables the certificate CN and SAN name field verification (CURLOPT_SSL_VERIFYHOST) when the digital signature verification (CURLOPT_SSL_VERIFYPEER) is disabled, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-310
- EPSS score
- 3.0% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-4404)
- Published
- November 23, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-4404 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / curl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
- haxx / libcurl
and 18 more…
References
- http://curl.haxx.se/docs/adv_20131115.html(Vendor Advisory)
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00047.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00053.html
- http://www.debian.org/security/2013/dsa-2798
- http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.ubuntu.com/usn/USN-2048-1
- https://h20564.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c04463322
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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