CVE-2021-20656

Exposure of information through directory listing in SolarView Compact SV-CPT-MC310 prior to Ver...

4.3 Medium

Exposure of information through directory listing in SolarView Compact SV-CPT-MC310 prior to Ver.6.5 allows an authenticated attacker to obtain the information inside the system, such as directories and/or file configurations via unspecified vectors.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

1.15%Up 0.3 points since Apr 14, 2021

What each source reports

NVD Score used 4.3

Record: CVE-2021-20656
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2021-20656
Updated: 2026-11-02

EUVDEUVD-2021-8074 No score

Record: EUVD-2021-8074
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7vwq-44q4-jhr2 No score

Exposure of information through directory listing in SolarView Compact SV-CPT-MC310 prior to Ver...

Record: GHSA-7vwq-44q4-jhr2
Weakness: CWE-200
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-20656 is a medium vulnerability (CVSS 4.3) in Contec Co., Ltd. Solarview Compact, published February 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. No source names a fixed version.