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KEV CVE-2023-49105: ownCloud ownCloud — ownCloud Improper Authentication Vulnerability

Source: CISA KEV
Original: https://nvd.nist.gov/vuln/detail/CVE-2023-49105
License (as archived): CC0-1.0
Archived: 2026-10-07T08:20:34.255Z
SHA-256 of the archived text: 174cecb5727e1dd3db1a6b1f3bd7be1caeeddc4edd9cd0be172a3ffc6ca3b7c7
Stable URL of this page: https://metraipolis.com/documento/dc_ea934ee2aa16

How to cite

KEV CVE-2023-49105: ownCloud ownCloud — ownCloud Improper Authentication Vulnerability — CISA KEV, https://nvd.nist.gov/vuln/detail/CVE-2023-49105 (CC0-1.0); archived copy: https://metraipolis.com/documento/dc_ea934ee2aa16 (Metraipolis archive dc_ea934ee2aa16, sha256 174cecb5727e1dd3db1a6b1f3bd7be1caeeddc4edd9cd0be172a3ffc6ca3b7c7)

BibTeX

@misc{dcea934ee2aa16,
  title = {KEV CVE-2023-49105: ownCloud ownCloud — ownCloud Improper Authentication Vulnerability},
  howpublished = {CISA KEV},
  url = {https://nvd.nist.gov/vuln/detail/CVE-2023-49105},
  note = {License CC0-1.0; archived copy https://metraipolis.com/documento/dc_ea934ee2aa16; sha256 174cecb5727e1dd3db1a6b1f3bd7be1caeeddc4edd9cd0be172a3ffc6ca3b7c7},
  year = {2026}
}

Archived text

Reproduced under CC0-1.0. Attribution: CISA KEV, https://nvd.nist.gov/vuln/detail/CVE-2023-49105. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

CVE-2023-49105 è nel catalogo CISA delle vulnerabilità SFRUTTATE attivamente (Known Exploited Vulnerabilities), aggiunta il 2026-08-27.
Prodotto: ownCloud ownCloud — ownCloud Improper Authentication Vulnerability
Descrizione: ownCloud contains an improper authentication vulnerability that allows an attacker to access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured.
Azione richiesta (agenzie federali USA): Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. Scadenza: 2026-08-30.
Uso noto in campagne ransomware: Unknown
Debolezze: CWE-287
Note e riferimenti: https://owncloud.org/security ; https://owncloud.com/security-advisories/webdav-api-authentication-bypass-using-pre-signed-urls/ ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2023-49105

Fonte: catalogo CISA KEV (CC0 1.0), versione 2026.10.04, consultato il 2026-10-06: https://www.cisa.gov/known-exploited-vulnerabilities-catalog