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CVE-2017-12310

Quick assessment

Affected
n/a Cisco Spark Hybrid Calendar Service
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.

Cisco Spark Hybrid Calendar Service是美国思科（Cisco）公司的一款能够将本地协作服务连接到Cisco协作云的服务。 Cisco Spark Hybrid Calendar Service中的自动发现阶段存在信息泄露漏洞，该漏洞源于Hybrid Calendar服务实现的请求，程序会产生没有加密的HTTP请求。远程攻击者可通过监控网络上未加密的流量利用该漏洞访问Office365用户的数据（邮件和日历事件）。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.89% · P58

Possible ATT&CK Techniques 2 AI

T1119 · Automated Collection T1119.010
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I. Basic Information for CVE-2017-12310

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in the auto discovery phase of Cisco Spark Hybrid Calendar Service could allow an unauthenticated, remote attacker to view sensitive information in the unencrypted headers of an HTTP method request. The attacker could use this information to conduct additional reconnaissance attacks leading to the disclosure of sensitive customer data. The vulnerability exists in the auto discovery phase because an unencrypted HTTP request is made due to requirements for implementing the Hybrid Calendar service. An attacker could exploit this vulnerability by monitoring the unencrypted traffic on the network. An exploit could allow the attacker to access sensitive customer data belonging to Office365 users, such as email and calendar events. Cisco Bug IDs: CSCvg35593.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Cisco Spark Hybrid Calendar Service 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Spark Hybrid Calendar Service是美国思科（Cisco）公司的一款能够将本地协作服务连接到Cisco协作云的服务。 Cisco Spark Hybrid Calendar Service中的自动发现阶段存在信息泄露漏洞，该漏洞源于Hybrid Calendar服务实现的请求，程序会产生没有加密的HTTP请求。远程攻击者可通过监控网络上未加密的流量利用该漏洞访问Office365用户的数据（邮件和日历事件）。
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
- Cisco Spark Hybrid Calendar Service Cisco Spark Hybrid Calendar Service -

II. Public POCs for CVE-2017-12310

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III. Intelligence Information for CVE-2017-12310

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Vendor Advisories for CVE-2017-12310 (1)

Same Patch Batch · n/a · 2018-03-27 · 60 CVEs total

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CVE-2018-0202 ClamAV clamscan 安全漏洞
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CVE-2017-12319 Cisco IOS XE Software Ethernet Virtual Private Network 安全漏洞
CVE-2018-8764 Roland Gruber Softwareentwicklung LDAP Account Manager 安全漏洞
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Showing top 20 of 60 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: n/a
Same weakness: CWE-200

V. Comments for CVE-2017-12310

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