Vulnerability in Openvpn

CVE-2017-7479

OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker.

EPSS: 0.001 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-7479?
CVE-2017-7479 is a medium-severity vulnerability in Openvpn, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2017-05-15.
How severe is CVE-2017-7479?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-7479 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.