RustDesk Server Generates Config Strings Using Reversible Encoding (Base64 + Reverse) Instead of Encryption
Priority HIGH 77CWE-327Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-327.
Summary
Use of a Broken or Risky Cryptographic Algorithm vulnerability in rustdesk-server-pro RustDesk Server Pro rustdesk-server-pro on Windows, MacOS, Linux (Config string generation, web console export modules) allows Retrieve Embedded Sensitive Data. This vulnerability is associated with program routines Config export/generation routines. This issue affects RustDesk Server Pro: through 1.7.5.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00262 18th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| rustdesk-server-pro | RustDesk Server Pro | up to 1.7.5 | — | No fix listed | CNA |
- RustDesk Server Pro Vendorrustdesk-server-pro Affected up to 1.7.5 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:rustdesk:rustdesk_server:*:*:*:*:pro:*:*:* | up to 1.7.5 | Vulnerable | rustdesk-client |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
- cpe:2.3:a:rustdesk:rustdesk_server:*:*:*:*:pro:*:*:* Versions up to 1.7.5 Vulnerable ·rustdesk-client
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3598
- 2026-10-03 Alias added: GHSA-8f92-r334-42wm
References
More rustdesk-client Rustdesk Server vulnerabilities
- TI-2026-23627 RustDesk Client Transmits Preset Address Book Password Verbatim in Heartbeat Sync CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-3598 · CVE Program
- CVE-2026-3598 · NVD
- FIRST EPSS
- GHSA-8f92-r334-42wm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences