A vulnerability was found in Samba where a delegated administrator with permission to create objects in Active Directory can write to all attributes of the newly created object, including security-sensitive attributes, even after the object's creation. This issue occurs because the administrator owns the object due to the lack of an Access Control List (ACL) at the time of creation and later being recognized as the 'creator owner.' The retained significant rights of the delegated administrator may not be well understood, potentially leading to unintended privilege escalation or security risks.
CVE-2020-25720
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-11-17. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5HIGHmedium confidence
- EG Risk
- 34EG Risk 34/100CISA 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 computedSeverity75% × 45%Exploitation0% × 40%Automatability0% × 15%CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.5%
- EPSS %ILE
- 40th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). 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
November 17, 2024
Last Modified
April 27, 2026
References (2)
- secalert@redhathttps://access.redhat.com/security/cve/CVE-2020-25720
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2305954
Affected Packages
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| samba | 2:4.13.13+dfsg-1 ... 2:4.24.5+dfsg-1~bpo13+1 (245 versions) |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| samba | — |
| — |
Debian:13(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| samba | — |
| — |
Debian:14(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| samba | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 31× 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 219 total refreshes for this CVE.
- 2026-10-10 19:56 UTCEPSS rescore
- 2026-10-09 20:04 UTCEPSS rescore
- 2026-10-08 16:38 UTCEPSS rescore
- 2026-10-07 23:44 UTCEPSS rescore
- 2026-10-07 06:05 UTCOSV refresh
- 2026-10-06 15:13 UTCEPSS rescore
- 2026-10-05 17:39 UTCEPSS rescore
- 2026-10-04 23:18 UTCEPSS rescore
- 2026-10-03 14:22 UTCEPSS rescore
- 2026-10-02 16:22 UTCEPSS rescore
- 2026-09-30 15:16 UTCEG score recompute
- 2026-09-30 14:59 UTCEPSS rescore
- 2026-09-27 13:40 UTCEPSS rescore
- 2026-09-26 15:54 UTCEPSS rescore
- 2026-09-26 00:20 UTCEPSS rescore
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- 2026-09-22 14:43 UTCEPSS rescore
- 2026-09-21 20:28 UTCEPSS rescore
- 2026-09-20 20:11 UTCEPSS rescore
- 2026-09-18 19:23 UTCEPSS rescore
- 2026-09-17 19:22 UTCEPSS rescore
- 2026-09-17 19:22 UTCEPSS rescore
- 2026-09-17 11:50 UTCOSV refresh
- 2026-09-16 14:04 UTCEPSS rescore
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- 2026-09-15 03:06 UTCEPSS rescore
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- 2026-09-13 16:42 UTCEPSS rescore
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- 2026-09-08 21:56 UTCEPSS rescore
- 2026-09-07 15:57 UTCEPSS rescore
- 2026-09-06 13:44 UTCEPSS rescore
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- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:18 UTCEPSS rescore
- 2026-08-29 12:43 UTCOSV refresh
- 2026-08-27 14:21 UTCEPSS rescore
- 2026-08-26 14:42 UTCEPSS rescore
- 2026-08-25 13:45 UTCEPSS rescore
- 2026-08-21 23:45 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:00 UTCEPSS rescore
- 2026-08-18 13:44 UTCEPSS rescore
- 2026-08-17 13:43 UTCEPSS rescore
- 2026-08-16 14:52 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-13 00:00 UTCOSV refresh
- 2026-08-12 13:47 UTCEPSS rescore
- 2026-08-09 13:43 UTCEPSS rescore
- 2026-08-08 16:33 UTCEPSS rescore
- 2026-08-07 16:23 UTCEPSS rescore
- 2026-08-06 13:43 UTCEPSS rescore
- 2026-08-05 19:14 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 10:32 UTCEPSS rescore
- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:27 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-28 07:55 UTCOSV refresh
- 2026-07-27 14:06 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-25 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:51 UTCEG score recompute
- 2026-07-22 22:37 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:57 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-13 06:10 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-10 23:52 UTCOSV refresh
Related CVEs(same product + same CWE)
Same product
10 shownDebian:11:samba
- CVE-2025-10230EG 10.0EPSS p99CRITICAL
- CVE-2020-1472EG 10.0 KEVEPSS p100CRITICAL
- CVE-2015-0240EG 10.0EPSS p100HIGH
- CVE-2012-1182EG 10.0EPSS p99HIGH
- CVE-2007-2446EG 10.0EPSS p100HIGH
- CVE-2004-0882EG 10.0EPSS p96HIGH
- CVE-2004-1154EG 10.0EPSS p96HIGH
- CVE-2004-0600EG 10.0EPSS p98HIGH
- CVE-2003-0196EG 10.0EPSS p98HIGH
- CVE-2003-0201EG 10.0EPSS p100HIGH
Frequently asked(5)
What is CVE-2020-25720?
When was CVE-2020-25720 disclosed?
Is CVE-2020-25720 actively exploited?
What is the CVSS score of CVE-2020-25720?
How do I remediate CVE-2020-25720?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-25720
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