7.4

CVE-2017-7520: openvpn technologies, inc openvpn

CVSS: 7.4v3.0HighModified
AliasesUBUNTU-CVE-2017-7520DEBIAN-CVE-2017-7520DLA-999-1
Published 27-06-2017Last modified 05-08-2024

Vulnerability summary

CVE-2017-7520 is a high (CVSS 7.4) vulnerability in openvpn technologies, inc openvpn. EPSS estimates a 3.38% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.0 (NVD)
EPSS score
3.38%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3

Timeline

  1. 27-06-2017
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.38%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.38% on 20-09-2026

20-09-202620-10-2026
EPSS score
3.38%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • openvpn< 2.4.3-1 | < 2.2.1-8+deb7u5
Openvpn1 product
  • openvpnEOL≤ 2.3.16 | 2.4.0 | 2.4.0:alpha2 | 2.4.0:beta1 | 2.4.0:beta2 | 2.4.0:rc1 | 2.4.0:rc2 | 2.4.1 | 2.4.2
Openvpn technologies, inc1 product
Ubuntu1 product
  • openvpn< 2.3.2-7ubuntu3.2 | < 2.3.10-1ubuntu2.1

4 vendors · 4 products

References

10 links