Samba up to 4.13.13/4.14.9/4.15.1 DCE/RPC injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Samba up to 4.13.13/4.14.9/4.15.1. Impacted is an unknown function of the component DCE/RPC. Performing a manipulation results in injection. This vulnerability is reported as CVE-2021-23192. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Samba up to 4.13.13/4.14.9/4.15.1 (File Transfer Software). It has been classified as critical. This affects an unknown code of the component DCE/RPC. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 11/10/2021. The advisory is shared at samba.org. This vulnerability is uniquely identified as CVE-2021-23192. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 236698 (Alibaba Cloud Linux 3 : 0176: samba (ALINUX3-SA-2022:0176)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.13.14, 4.14.10 or 4.15.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236698). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 236698
Nessus Name: Alibaba Cloud Linux 3 : 0176: samba (ALINUX3-SA-2022:0176)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Samba 4.13.14/4.14.10/4.15.2

Timelineinfo

10/20/2021 🔍
11/10/2021 +21 days 🔍
11/10/2021 +0 days 🔍
05/17/2025 +1284 days 🔍

Sourcesinfo

Product: samba.org

Advisory: samba.org
Status: Confirmed

CVE: CVE-2021-23192 (🔍)
GCVE (CVE): GCVE-0-2021-23192
GCVE (VulDB): GCVE-100-186477

Entryinfo

Created: 11/10/2021 15:07
Updated: 05/17/2025 16:09
Changes: 11/10/2021 15:07 (38), 11/12/2021 13:16 (1), 05/17/2025 16:09 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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