6.5

CVE-2023-6247: openvpn openvpn_3 NULL Pointer Dereference

CVSS: 6.5v3.1MediumAnalyzed
Published 20-02-2024Last modified 28-10-2024
Open JSON

Vulnerability summary

CVE-2023-6247 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in openvpn openvpn_3. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-02-2024
    PublishedVulnerability first disclosed.
  2. 28-10-2024
    Last modifiedVulnerability information updated.

Description

The PKCS#7 parser in OpenVPN 3 Core Library versions through 3.8.3 did not properly validate the parsed data, which would result in the application crashing.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.78%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.78% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.78%

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

Openvpn2 products

1 vendor · 2 products

References

1 links