CVE-2023-28647

mediumpriority · track · 27EPSS 0.003 · 20 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.28% (20th) EPSS

CVSS 6.8 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Nextcloud iOS is an ios application used to interface with the nextcloud home cloud ecosystem. In versions prior to 4.7.0 when an attacker has physical access to an unlocked device, they may enable the integration into the iOS Files app and bypass the Nextcloud pin/password protection and gain access to a users files. It is recommended that the Nextcloud iOS app is upgraded to 4.7.0. There are no known workarounds for this vulnerability.

cvss

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

6.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.8mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 0.9 · impact 5.9

v3.14.4mediumCVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · ENISA EU

v3.14.4mediumCVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:Lsecondary · security-advisories@github.comexploitability 0.3 · impact 3.7

v3.16.2mediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-281USCWE-287US

affected products (3)

Products and version ranges known to be affected.

nextcloud security-advisories≤ < 4.7.0enisa_euvdEU
nextcloud nextcloud< 4.7.0nvdUScpe:2.3:a:nextcloud:nextcloud:*:*:*:*:*:*:*:*
Bitnami nextcloud< 4.7.0osvUSpkg:bitnami/nextcloud

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-nextcloud-2023-28647App pin of the iOS app can be bypassed in Nextcloud iOS2026-07-12vendor · osvUS
Nextcloud iOS is an ios application used to interface with the nextcloud home cloud ecosystem. In versions prior to 4.7.0 when an attacker has physical access to an unlocked device, they may enable the integration into the iOS Files app and bypass the Nextcloud pin/password protection and gain access to a users files. It is recommended that the Nextcloud iOS app is upgraded to 4.7.0. There are no known workarounds for this vulnerability.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2023-03-30modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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