CVE-2016-9462

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1.9%CVSS: 4.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to restore old versions.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
25
EG Risk 25/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity43% × 45%
Exploitation2% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
1.9%
EPSS %ILE
78th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

March 28, 2017

Last Modified

June 17, 2026

References (18)

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 25× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 159 total refreshes for this CVE.

  1. 2026-10-05 17:38 UTCEPSS rescore
  2. 2026-10-04 23:17 UTCEPSS rescore
  3. 2026-10-03 14:21 UTCEPSS rescore
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  6. 2026-09-30 09:18 UTCEG score recompute
  7. 2026-09-28 13:45 UTCEPSS rescore
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  1. 2026-09-04 13:56 UTCEPSS rescore
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  5. 2026-08-30 16:21 UTCOSV refresh
  6. 2026-08-28 21:35 UTCEPSS rescore
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  17. 2026-08-14 04:19 UTCOSV refresh
  18. 2026-08-12 13:46 UTCEPSS rescore
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  35. 2026-07-24 14:13 UTCEPSS rescore
  36. 2026-07-23 14:15 UTCEPSS rescore
  37. 2026-07-23 01:24 UTCEG score recompute
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  39. 2026-07-22 14:04 UTCEPSS rescore
  40. 2026-07-21 15:21 UTCEPSS rescore
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  42. 2026-07-20 17:04 UTCEPSS rescore
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  54. 2026-07-13 22:26 UTCEPSS rescore
  55. 2026-07-12 05:43 UTCEPSS rescore
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  57. 2026-07-12 01:41 UTCOSV refresh
  58. 2026-07-11 08:24 UTCEPSS rescore
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  69. 2026-06-30 23:19 UTCEPSS rescore
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  71. 2026-06-29 14:03 UTCEPSS rescore
  72. 2026-06-28 14:04 UTCEPSS rescore
  73. 2026-06-28 04:53 UTCEPSS rescore
  74. 2026-06-27 03:05 UTCEPSS rescore
  75. 2026-06-25 13:47 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2016-9462?
CVE-2016-9462 is a medium vulnerability published on March 28, 2017. Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying restore privileges when restoring a file. The restore capability of Nextcloud/ownCloud was not verifying whether a user has only read-only access to a share. Thus a user with read-only access was able to…
When was CVE-2016-9462 disclosed?
CVE-2016-9462 was first published on March 28, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-9462 actively exploited?
CVE-2016-9462 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.9% probability of exploitation in the next 30 days (78th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2016-9462?
CVE-2016-9462 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2016-9462?
A fix for CVE-2016-9462 is available: update to the fixed version the vendor names in its advisory.

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