High severity7.4NVD Advisory· Published Jun 27, 2017· Updated Jun 17, 2026
CVE-2017-7520
CVE-2017-7520
Description
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.
Affected products
20cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*range: <=2.3.16
- cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:openvpn:openvpn:2.4.2:*:*:*:*:*:*:*
- (no CPE)range: before 2.4.3
- osv-coords10 versionspkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/openvpn&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/openvpn&distro=SUSE%20OpenStack%20Cloud%206pkg:rpm/suse/openvpn-openssl1&distro=SUSE%20Linux%20Enterprise%20Server%2011-SECURITY
< 2.3.8-16.17.1+ 9 more
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.8-16.17.1
- (no CPE)range: < 2.3.2-0.9.1
Patches
Vulnerability mechanics
References
4- www.securityfocus.com/bid/99230nvdThird Party AdvisoryVDB Entry
- community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243nvdVendor Advisory
- www.debian.org/security/2017/dsa-3900nvd
- www.securitytracker.com/id/1038768nvd
News mentions
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