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Vulnerability Details : CVE-2017-0881

An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server.
Publish Date : 2017-03-27 Last Update Date : 2019-10-09
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s)
CWE ID 863

- Products Affected By CVE-2017-0881

# Product Type Vendor Product Version Update Edition Language
1 Application Zulip Zulip Server 1.1.5 Version Details Vulnerabilities
2 Application Zulip Zulip Server 1.2.0 - Version Details Vulnerabilities
3 Application Zulip Zulip Server 1.2.0 P1 Version Details Vulnerabilities
4 Application Zulip Zulip Server 1.2.1 Version Details Vulnerabilities
5 Application Zulip Zulip Server 1.3.0 Version Details Vulnerabilities
6 Application Zulip Zulip Server 1.3.1 Version Details Vulnerabilities
7 Application Zulip Zulip Server 1.3.2 Version Details Vulnerabilities
8 Application Zulip Zulip Server 1.3.3 Version Details Vulnerabilities
9 Application Zulip Zulip Server 1.3.4 Version Details Vulnerabilities
10 Application Zulip Zulip Server 1.3.5 Version Details Vulnerabilities
11 Application Zulip Zulip Server 1.3.6 Version Details Vulnerabilities
12 Application Zulip Zulip Server 1.3.7 Version Details Vulnerabilities
13 Application Zulip Zulip Server 1.3.8 Version Details Vulnerabilities
14 Application Zulip Zulip Server 1.3.9 Version Details Vulnerabilities
15 Application Zulip Zulip Server 1.3.10 Version Details Vulnerabilities
16 Application Zulip Zulip Server 1.3.11 Version Details Vulnerabilities
17 Application Zulip Zulip Server 1.3.12 Version Details Vulnerabilities
18 Application Zulip Zulip Server 1.3.13 Version Details Vulnerabilities
19 Application Zulip Zulip Server 1.4.0 Version Details Vulnerabilities
20 Application Zulip Zulip Server 1.4.1 Version Details Vulnerabilities
21 Application Zulip Zulip Server 1.4.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Zulip Zulip Server 21

- References For CVE-2017-0881
BID 97159 Zulip Server CVE-2017-0881 Security Bypass Vulnerability Release Date:2017-03-29

- Metasploit Modules Related To CVE-2017-0881

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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