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CVE-2017-15887

Quick assessment

Affected
Synology Synology CardDAV Server
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.

Synology CardDAV Server是群晖科技（Synology）公司的一款用于同步通讯录的应用程序。 Synology CardDAV Server 6.0.7-0085之前的版本中的/principals存在安全漏洞，该漏洞源于程序没有限制身份验证的次数。远程攻击者可借助暴力破解攻击利用该漏洞获取用户证书。

AI Predicted 7.5 Difficulty: Trivial EPSS 1.71% · P75
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I. Basic Information for CVE-2017-15887

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
过多认证尝试的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Synology CardDAV Server 信任管理漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology CardDAV Server是群晖科技（Synology）公司的一款用于同步通讯录的应用程序。 Synology CardDAV Server 6.0.7-0085之前的版本中的/principals存在安全漏洞，该漏洞源于程序没有限制身份验证的次数。远程攻击者可借助暴力破解攻击利用该漏洞获取用户证书。
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
Synology Synology CardDAV Server before 6.0.7-0085 -

II. Public POCs for CVE-2017-15887

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III. Intelligence Information for CVE-2017-15887

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Other References for CVE-2017-15887 (1)

IV. Related Vulnerabilities

Same vendor: Synology
Same weakness: CWE-307

V. Comments for CVE-2017-15887

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