Vulnerability in Bvpn

CVE-2021-43457

An Unquoted Service Path vulnerability exists in bVPN 2.5.1 via a specially crafted file in the waselvpnserv service path.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 22.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-43457: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Bvpn — versions 2.5.1

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-43457?
CVE-2021-43457 is a high-severity vulnerability in Bvpn, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2022-04-04.
How severe is CVE-2021-43457?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-43457 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.