OpenSSH up to 7.3 Access Control privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in OpenSSH up to 7.3. Affected by this vulnerability is an unknown functionality of the component Access Control. Performing a manipulation results in privileges management. This vulnerability is identified as CVE-2016-10009. The attack can be initiated remotely. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in OpenSSH up to 7.3 (Connectivity Software). This affects some unknown processing of the component Access Control. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 12/19/2016 as release-7.4 as confirmed release notes (Website). It is possible to read the advisory at openssh.com. The public release was coordinated with the project team. This vulnerability is uniquely identified as CVE-2016-10009. It is possible to initiate the attack remotely. Required for exploitation is a authentication. Technical details are unknown but an exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 239984 (TencentOS Server 4: openssh (TSSA-2024:0951)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 330021 (IBM AIX OpenSSH Multiple Vulnerabilities (openssh_advisory10)).

Upgrading to version 7.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (239984), SecurityTracker (ID 1037490†) and CERT Bund (WID-SEC-2023-1996). Entries connected to this vulnerability are available at VDB-94607, VDB-94608, VDB-94609 and VDB-94610. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Amazon Linux 2
  • FreeBSD Project FreeBSD OS
  • IBM AIX
  • Juniper JUNOS
  • Red Hat Enterprise Linux
  • NetApp Data ONTAP
  • Open Source OpenSSH
  • Ubuntu Linux
  • SUSE Linux
  • IBM VIOS
  • Palo Alto Networks PAN-OS
  • EMC Avamar
  • Dell NetWorker
  • Moxa Switch

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

ADP CISA Base Score: 7.3
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 239984
Nessus Name: TencentOS Server 4: openssh (TSSA-2024:0951)

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: OpenSSH 7.4
Patch: github.com

Timelineinfo

12/19/2016 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/20/2016 +1 days 🔍
05/30/2026 +3447 days 🔍

Sourcesinfo

Advisory: release-7.4
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2016-10009 (🔍)
GCVE (CVE): GCVE-0-2016-10009
GCVE (VulDB): GCVE-100-94611
SecurityFocus: 94968
SecurityTracker: 1037490
CERT Bund: WID-SEC-2023-1996 - OpenSSH: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/20/2016 10:26
Updated: 05/30/2026 01:39
Changes: 12/20/2016 10:26 (48), 07/11/2019 16:43 (1), 10/12/2022 11:59 (5), 10/12/2022 12:06 (18), 09/17/2024 16:43 (18), 12/07/2024 07:19 (8), 06/17/2025 19:12 (2), 01/09/2026 15:12 (7), 05/30/2026 01:39 (12)
Complete: 🔍
Cache ID: 216::103

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