Improper input validation in SonicWall Netextender

CVE-2020-5131

SonicWall NetExtender Windows client vulnerable to arbitrary file write vulnerability, this allows attacker to overwrite a DLL and execute code with the same privilege in the host operating system. This vulnerability impact SonicWall NetExtender Windows client version 9.0.815 and earlier.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

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: 0.005 (43.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% 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-2020-5131: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-5131?
CVE-2020-5131 is a high-severity vulnerability in SonicWall Netextender, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2020-07-17.
How severe is CVE-2020-5131?
High severity. CVSS v3 base score is 7.8 out of 10.