Zulip Server up to 2.1.4 Access Control authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Zulip Server up to 2.1.4. The affected element is an unknown function of the component Access Control. Performing a manipulation results in authorization. This vulnerability is cataloged as CVE-2020-14215. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Zulip Server up to 2.1.4. It has been classified as critical. This affects some unknown processing of the component Access Control. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Zulip Server before 2.1.5 has Incorrect Access Control because 0198_preregistrationuser_invited_as adds the administrator role to invitations.

The weakness was shared 08/21/2020 (Website). The advisory is shared at blog.zulip.com. This vulnerability is uniquely identified as CVE-2020-14215 since 06/17/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.1.5 eliminates this vulnerability.

The entries VDB-160087 and VDB-160088 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Server 2.1.5

Timelineinfo

06/17/2020 🔍
08/21/2020 +65 days 🔍
08/21/2020 +0 days 🔍
11/10/2020 +81 days 🔍

Sourcesinfo

Advisory: blog.zulip.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-14215 (🔍)
GCVE (CVE): GCVE-0-2020-14215
GCVE (VulDB): GCVE-100-160089
See also: 🔍

Entryinfo

Created: 08/21/2020 12:51
Updated: 11/10/2020 15:58
Changes: 08/21/2020 12:51 (40), 08/21/2020 12:56 (17), 11/10/2020 15:58 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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