vulnwire
7.4high

CVE-2017-7520

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-…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.4%
percentile 89%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

3.38% probability of exploitation in the next 30 days, higher than 89% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.4CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD2.04.0AV:N/AC:H/Au:N/C:P/I:N/A:P

Affected products

  • OpenVPN Technologies, Inc OpenVPN

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-125 Out-of-bounds Read

References

  • community.openvpn.net /openvpn/wiki/VulnerabilitiesFixedInOpenVPN243 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1038768 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/99230 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-3900 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.