RustDesk Server Pro/RustDesk Server up to 1.7.5 src/server/connection.Rs excessive authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in RustDesk Server Pro and RustDesk Server up to 1.7.5 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file src/server/connection.Rs. The manipulation results in excessive authentication. This vulnerability is identified as CVE-2026-30790. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in RustDesk Server Pro and RustDesk Server up to 1.7.5. It has been classified as problematic. Affected is an unknown code of the file src/server/connection.Rs. The manipulation with an unknown input leads to a excessive authentication vulnerability. CWE is classifying the issue as CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. This is going to have an impact on confidentiality. CVE summarizes:

Improper Restriction of Excessive Authentication Attempts, Use of Password Hash With Insufficient Computational Effort vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Peer authentication, API login modules), rustdesk-server RustDesk Server (OSS) rustdesk-server on Windows, MacOS, Linux (Peer authentication, API login modules) allows Password Brute Forcing. This vulnerability is associated with program files src/server/connection.Rs and program routines Salt/challenge generation, SHA256(SHA256(pwd+salt)+challenge) verification. This issue affects RustDesk Server Pro: through 1.7.5; RustDesk Server (OSS): through 1.1.15.

The weakness was released by Erez Kalman. This vulnerability is traded as CVE-2026-30790 since 03/05/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1110.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/05/2026 Advisory disclosed
03/05/2026 +0 days CVE reserved
03/05/2026 +0 days VulDB entry created
03/26/2026 +21 days VulDB entry last update

Sourcesinfo

Researcher: Erez Kalman
Status: Not defined

CVE: CVE-2026-30790 (🔒)
GCVE (CVE): GCVE-0-2026-30790
GCVE (VulDB): GCVE-100-349206

Entryinfo

Created: 03/05/2026 17:50
Updated: 03/26/2026 04:18
Changes: 03/05/2026 17:50 (64), 03/26/2026 04:18 (12)
Complete: 🔍
Cache ID: 216::103

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