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No exploitation reportedFix available

CVE-2020-8295

No exploitation reported by the sources we read.

  • Published2021-01-26
  • Fixed in20.0.0
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.

Timeline

dates in UTC
  1. 2021-01-2618:16CVE publishedNVD

Versions per branch

NVD
Nextcloud nextcloud server
BranchAffectedFixed in
20.0< 20.0.020.0.0

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • nextcloudSUSE:Package Hub 15 SP3all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudSUSE:Package Hub 15 SP2all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudSUSE:Package Hub 15 SP2all versions · fixed in 20.0.7-bp152.2.6.1
  • nextcloudSUSE:Package Hub 15 SP1all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudSUSE:Package Hub 12all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudopenSUSE:Leap 15.3all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudopenSUSE:Leap 15.2all versions · fixed in 20.0.11-bp153.2.3.1
  • nextcloudopenSUSE:Leap 15.2all versions · fixed in 20.0.7-lp152.3.6.1

Vendor advisories

  • CVE-2020-8295 Red Hat Product Security

    nextcloud: Denial of service attack when resetting the password for a user

Full record on NVD

Fix

  1. Update Nextcloud nextcloud server to 20.0.0

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-400known since 2026-10-23
  • NVDweakness (CWE)CWE-400read 2026-10-23
  • FIRST EPSSEPSS score1.8 %2026-11-08
  • OSVaffected packages—
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2021-01-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m9wc-h684-m6rq

Frequently asked questions

What is CVE-2020-8295?

A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.

Is CVE-2020-8295 actively exploited?

Active exploitation of CVE-2020-8295 has not been confirmed. Its EPSS score was 1.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8295?

CVE-2020-8295 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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