CVE-2021-47827
WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service
- State
- Published
- Severity
- 4.6 Medium
- Published
- Jan 16, 2026
- Updated
- Jan 16, 2026
- Reserved
- Jan 14, 2026
Description
WebSSH for iOS 14.16.10 contains a denial of service vulnerability in the mashREPL tool that allows attackers to crash the application by pasting malformed input. Attackers can trigger the vulnerability by copying a 300-character buffer of repeated 'A' characters into the mashREPL input field, causing the application to crash.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.6 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-1284 Improper Validation of Specified Quantity in Input
Affected Products
| Product | Versions |
|---|---|
WebSSH for iOSWebSSH |
|
References
- ExploitDB-49883exploit
- WebSSH iOS App Store Pageproduct
- VulnCheck Advisory: WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Servicethird-party-advisory
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