CVE-2021-26620
Last modified
CVE-2021-26620 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing the shared folder and changing user’s passwords.. EPSS estimates a 1.30% chance of exploitation in the next 30 days.
Description
An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing the shared folder and changing user’s passwords.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Iptime | Nas101 Firmware | < 1.4.82 |
| Iptime | Nas1dual Firmware | < 1.4.82 |
| Iptime | Nas2dual Firmware | < 1.4.82 |
| Iptime | Nas3 Firmware | < 1.4.82 |
| Iptime | Nas4 Firmware | < 1.4.82 |
| Iptime | Nas4dual Firmware | < 1.4.82 |
| Iptime | Nas-I Firmware | < 1.4.82 |
| Iptime | Nas-Ii Firmware | < 1.4.82 |
| Iptime | Nas-Iie Firmware | < 1.4.82 |
References
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66578Third Party Advisory
- https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66578Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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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.
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