CVE-2021-47827
Last modified
CVE-2021-47827 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2021-47827?
How severe is CVE-2021-47827?
How do I fix CVE-2021-47827?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-47821RarmaRadio 2.72.8 contains a denial of service vulnerability…7.5
- CVE-2021-47822DiskBoss Service 12.2.18 contains an unquoted service path v…8.5
- CVE-2021-47823Acer ePowerSvc 6.0.3008.0 contains an unquoted service path …8.5
- CVE-2021-47824iDailyDiary 4.30 contains a denial of service vulnerability …7.5
- CVE-2021-47825Acer Updater Service 1.2.3500.0 contains an unquoted service…8.5
- CVE-2021-47826Acer Backup Manager 3.0.0.99 contains an unquoted service pa…8.5
- CVE-2021-47828BOOTP Turbo 2.0.0.1253 contains an unquoted service path vul…8.5
- CVE-2021-47829DHCP Broadband 4.1.0.1503 contains an unquoted service path …8.5
- CVE-2021-47830GetSimple CMS My SMTP Contact Plugin 1.1.1 contains a cross-…6.5
- CVE-2021-47831Sandboxie 5.49.7 contains a denial of service vulnerability …7.5
- CVE-2021-47832Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2021-47833WifiHotSpot 1.0.0.0 contains an unquoted service path vulner…8.5
Are you affected by CVE-2021-47827?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST