CVE-2021-47827 - CVE House
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Status published Medium CVE-2021-47827

WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Luis Martinez

References

Affected Vendor

Affected Software

WebSSH for iOS
Vulnerable Versions:
14.16.10

Timeline

Official Publish: January 16th, 2026
Last Modified: January 16th, 2026
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-1284

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.