Vulnerability · Published Mar 25, 2022 · Assigned by krcert

CVE-2021-26620IPTIME NAS2dual improper authentication vulnerability

High 7.5

In plain English

A high-severity improper authentication in ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual) from EFM Networks Co., Ltd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)1.4%top 28.4% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
EFM Networks Co., Ltd	ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual)	unspecified – before 1.4.82

Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66578 x_refsource_MISC