Vulnerability · Published Jun 11, 2021 · Assigned by qnap

CVE-2021-28801Out-of-Bounds Read Vulnerability in QSS

Low 3.1

In plain English

A low-severity out-of-bounds read in QSS from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low

Exploit odds (30 days)0.7%top 44.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

An out-of-bounds read vulnerability has been reported to affect certain QNAP switches running QSS. If exploited, this vulnerability allows attackers to read sensitive information on the system. This issue affects: QNAP Systems Inc. QSS versions prior to 1.0.2 build 20210122 on QSW-M2108-2C; versions prior to 1.0.2 build 20210122 on QSW-M2108-2S; versions prior to 1.0.2 build 20210122 on QSW-M2108R-2C.

Affected products (as reported)

Vendor	Product	Versions
QNAP Systems Inc.	QSS	unspecified – before 1.0.2 build 20210122
QNAP Systems Inc.	QSS	unspecified – before 1.0.2 build 20210122
QNAP Systems Inc.	QSS	unspecified – before 1.0.2 build 20210122

Weakness: CWE-125 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References

https://www.qnap.com/zh-tw/security-advisory/qsa-21-23 x_refsource_MISC