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.
Published: 2026-01-16
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 19 Jan 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios
Webssh
Webssh webssh
Vendors & Products Apple
Apple ios
Webssh
Webssh webssh

Fri, 16 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 16 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
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.
Title WebSSH for iOS 14.16.10 - 'mashREPL' Denial of Service
Weaknesses CWE-1284
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 4.6, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-16T21:32:47.489Z

Reserved: 2026-01-14T17:11:19.900Z

Link: CVE-2021-47827

cve-icon Vulnrichment

Updated: 2026-01-16T21:32:38.417Z

cve-icon NVD

Status : Deferred

Published: 2026-01-16T19:16:07.703

Modified: 2026-04-15T00:35:42.020

Link: CVE-2021-47827

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-19T09:20:14Z

Weaknesses