How severe is CVE-2020-17148?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-17148 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Visual Studio Code

CVE-2020-17148

Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability

Published 2020-12-10 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.040 (90.2th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.038 · newest: 0.040 · change: +0.001

Affected products

Microsoft Visual Studio Code
Microsoft Visual Studio Code Remote - SSH Extension — versions 1.0.0

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17148 (vendor-advisory, patch)
af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-17148?: CVE-2020-17148 is a high-severity vulnerability in Microsoft Visual Studio Code. CVSS score: 7.8/10. Published 2020-12-10.
How severe is CVE-2020-17148?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-17148 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.