CVE-2020-8150

lowpriority · track · 16OT risk · elevatedEPSS 0.003 · 21 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (21st) EPSS

CVSS 1.9 · low

Is it mine?

2 products

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.

cvss

Technical severity, 0–10. One row per scoring source.

4.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–4.1

v2.01.9lowAV:L/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 3.4 · impact 2.9

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 0.5 · impact 3.6

v3.13.8lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

n/a Nextcloud Server≤ 19.0.2enisa_euvdEU
nextcloud nextcloud server< 19.0.2nvdUScpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*

Other names and identifiers for this entity.

Which sources assert this record, and when.

published 2020-11-09modified 2026-06-17

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External citations — patches, advisories, analysis.

scry

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