CVE-2026-30795
Cleartext Data Exposure in RustDesk Client Heartbeat Sync
Publication date: 2026-03-05
Last updated on: 2026-03-25
Assigner: VULSec Labs
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| rustdesk | rustdesk | to 1.4.5 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-319 | The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cleartext Transmission of Sensitive Information issue found in the RustDesk Client (rustdesk-client) on multiple platforms including Windows, MacOS, Linux, iOS, and Android. It occurs in the Heartbeat sync loop modules, specifically related to the construction of Heartbeat JSON payloads that include preset address book passwords. Because the sensitive information is transmitted in cleartext, it allows attackers to perform sniffing attacks and intercept this data.
How can this vulnerability impact me? :
The impact of this vulnerability is that sensitive information, such as passwords, can be intercepted by attackers through network sniffing. This can lead to unauthorized access to user data or systems, compromising confidentiality and potentially enabling further attacks or data breaches.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know