Security readout for executives and security teams
Older Nextcloud and ownCloud servers could let attacker-controlled log content execute as script when an admin downloads logs and Firefox on Windows opens the file as HTML. The provided evidence does not show broad remote compromise or active exploitation. Exposure is most likely on legacy Nextcloud or ownCloud deployments still below the fixed versions, especially where administrators download logs from the web interface using Firefox on Windows. Treat as a legacy-platform hygiene issue with moderate urgency. Prioritize upgrades if these products remain in service, but escalate only if affected versions and administrator exposure are confirmed. Mitigation focus: Upgrade Nextcloud Server to 9.0.52 or later.; Upgrade ownCloud Server to 9.0.4 or later.; Review vendor advisories for supported upgrade paths..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-209: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2016-9459 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://owncloud.org/security/advisory?id=oc-sa-2016-012CVE reference · x_refsource_MISC
- https://github.com/owncloud/core/commit/b7fa2c5dc945b40bc6ed0a9a0e47c282ebf043e1CVE reference · x_refsource_MISC
- https://github.com/owncloud/core/commit/044ee072a647636b1a17c89265c7233b35371335CVE reference · x_refsource_MISC
- https://hackerone.com/reports/146278CVE reference · x_refsource_MISC
- https://github.com/owncloud/core/commit/efa35d621dc7ff975468e636a5d1c153511296dcCVE reference · x_refsource_MISC
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-002CVE reference · x_refsource_MISC
- https://github.com/nextcloud/server/commit/94975af6db1551c2d23136c2ea22866a5b416070CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Generation of Error Message Containing Sensitive Information
Generation of Error Message Containing Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.