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CVE-2021-44054— Open redirect

Quick assessment

Affected
QNAP Systems Inc. QuTScloud
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QNAP Systems QNAP QuTScloud是中国威联通科技（QNAP Systems）公司的一种 QNAP NAS 操作系统的云端优化版本。 QNAP QTS、QuTS hero 和 QuTScloud 存在输入验证错误漏洞，该漏洞源于对用户提供的数据进行了不正确的清理。远程攻击者利用此漏洞可执行网络钓鱼攻击并窃取潜在的敏感信息。以下产品和版本受到影响：QNAP QTS: 5.0.0.1986 20220324 之前版本, 4.5.4.1991 20220329 版本, 4.3.6.1965

CVSS 4.3 · Medium EPSS 0.58% · P46

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2021-44054

Vulnerability Information
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Vulnerability Title
Open redirect
Source: CVE Program / CVE List V5
Vulnerability Description
An open redirect vulnerability has been reported to affect QNAP device running QuTScloud, QuTS hero and QTS. If exploited, this vulnerability allows attackers to redirect users to an untrusted page that contains malware. We have already fixed this vulnerability in the following versions of QuTScloud, QuTS hero and QTS: QuTScloud c5.0.1.1949 and later QuTS hero h5.0.0.1949 build 20220215 and later QuTS hero h4.5.4.1951 build 20220218 and later QTS 5.0.0.1986 build 20220324 and later QTS 4.5.4.1991 build 20220329 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5
Vulnerability Title
QNAP多款产品输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP Systems QNAP QuTScloud是中国威联通科技（QNAP Systems）公司的一种 QNAP NAS 操作系统的云端优化版本。 QNAP QTS、QuTS hero 和 QuTScloud 存在输入验证错误漏洞，该漏洞源于对用户提供的数据进行了不正确的清理。远程攻击者利用此漏洞可执行网络钓鱼攻击并窃取潜在的敏感信息。以下产品和版本受到影响：QNAP QTS: 5.0.0.1986 20220324 之前版本, 4.5.4.1991 20220329 版本, 4.3.6.1965
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QNAP Systems Inc. QuTScloud unspecified ~ c5.0.1.1949 -
QNAP Systems Inc. QuTS hero unspecified ~ h5.0.0.1949 build 20220215 -
QNAP Systems Inc. QTS unspecified ~ 5.0.0.1986 build 20220324 -

II. Public POCs for CVE-2021-44054

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III. Intelligence Information for CVE-2021-44054

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Other References for CVE-2021-44054 (1)

Same Patch Batch · QNAP Systems Inc. · 2022-05-05 · 9 CVEs total

CVE-2022-27588 9.8 CRITICAL Vulnerability in QVR
CVE-2021-44051 8.8 HIGH Command injection
CVE-2021-44056 7.1 HIGH Improper authentication in Video Station
CVE-2021-44057 7.1 HIGH Improper authentication in Photo Station
CVE-2021-44052 6.5 MEDIUM Arbitrary file read
CVE-2021-44053 5.7 MEDIUM Reflected XSS
CVE-2021-38693 5.3 MEDIUM Path Traversal in thttpd
CVE-2021-44055 5.3 MEDIUM Information leakage in Video Station

IV. Related Vulnerabilities

Same product: QuTScloud
Same vendor: QNAP Systems Inc.
Same weakness: CWE-601

V. Comments for CVE-2021-44054

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