Mattermost up to 9.5.11/9.11.3/10.0.1/10.1.1 Email Address unusual condition

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Mattermost up to 9.5.11/9.11.3/10.0.1/10.1.1. Affected by this issue is some unknown functionality of the component Email Address Handler. Performing a manipulation results in unusual condition. This vulnerability was named CVE-2024-11599. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Mattermost up to 9.5.11/9.11.3/10.0.1/10.1.1. This affects an unknown code of the component Email Address Handler. The manipulation with an unknown input leads to a unusual condition vulnerability. CWE is classifying the issue as CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Mattermost versions 10.0.x <= 10.0.1, 10.1.x <= 10.1.1, 9.11.x <= 9.11.3, 9.5.x <= 9.5.11 fail to properly validate email addresses which allows an unauthenticated user to bypass email domain restrictions via carefully crafted input on email registration.

The weakness was presented by Jofra. The advisory is shared at mattermost.com. This vulnerability is uniquely identified as CVE-2024-11599 since 11/21/2024. 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.

The vulnerability scanner Nessus provides a plugin with the ID 213170 (Mattermost Server 9.5.x < 9.5.12, 9.11.x < 9.11.4, 10.0.x < 10.0.2, 10.1.x < 10.1.2, 10.2.0 (MMSA-2024-00386)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 9.5.12, 9.11.4, 10.0.2, 10.1.2 or 10.2.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (213170). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

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

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 8.2
CNA Vector (Mattermost): 🔍

CVSSv2info

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

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
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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Nessus ID: 213170
Nessus Name: Mattermost Server 9.5.x < 9.5.12, 9.11.x < 9.11.4, 10.0.x < 10.0.2, 10.1.x < 10.1.2, 10.2.0 (MMSA-2024-00386)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 9.5.12/9.11.4/10.0.2/10.1.2/10.2.0

Timelineinfo

11/21/2024 🔍
11/28/2024 +7 days 🔍
11/28/2024 +0 days 🔍
10/01/2025 +307 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Jofra
Status: Confirmed

CVE: CVE-2024-11599 (🔍)
GCVE (CVE): GCVE-0-2024-11599
GCVE (VulDB): GCVE-100-286353

Entryinfo

Created: 11/28/2024 11:25
Updated: 10/01/2025 22:24
Changes: 11/28/2024 11:25 (63), 11/28/2024 18:40 (1), 12/18/2024 22:42 (3), 10/01/2025 22:24 (11)
Complete: 🔍
Cache ID: 216::103

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

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