Vulnerability · Published May 26, 2022 · Assigned by qnap

CVE-2021-34360CSRF Bypass in Proxy Server

Medium 5.3

In plain English

A medium-severity cross-site request forgery in Proxy Server 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 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.5%top 58.5% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

A cross-site request forgery (CSRF) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later QuTS hero h5.0.0: Proxy Server 1.4.3 ( 2022/01/18 ) and later QuTScloud c4.5.6: Proxy Server 1.4.2 ( 2021/12/30 ) and later

Affected products (as reported)

Vendor	Product	Versions
QNAP Systems Inc.	Proxy Server	unspecified – before 1.4.2 ( 2021/12/30 )
QNAP Systems Inc.	Proxy Server	unspecified – before 1.4.3 ( 2022/01/18 )
QNAP Systems Inc.	Proxy Server	unspecified – before 1.4.2 ( 2021/12/30 )

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

References

https://www.qnap.com/en/security-advisory/qsa-22-18 x_refsource_MISC