chatwoot up to 2.4.x SVG File server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in chatwoot up to 2.4.x. It has been classified as critical. This issue affects some unknown processing of the component SVG File Handler. This manipulation causes server-side request forgery. This vulnerability is registered as CVE-2021-3742. The attack requires access to the local network. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in chatwoot up to 2.4.x. It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component SVG File Handler. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.5.0. The vulnerability allows an attacker to upload an SVG file containing a malicious SSRF payload. When the SVG file is used as an avatar and opened in a new tab, it can trigger the SSRF, potentially leading to host redirection.

It is possible to read the advisory at huntr.com. This vulnerability is known as CVE-2021-3742 since 08/26/2021. The exploitation appears to be easy. Access to the local network is required for this attack. The exploitation requires an enhanced level of successful authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2.5.0 eliminates this vulnerability.

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Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.1
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.9
CNA Vector (@huntr_ai): 🔍

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: chatwoot 2.5.0

Timelineinfo

08/26/2021 🔍
11/15/2024 +1177 days 🔍
11/15/2024 +0 days 🔍
02/26/2025 +103 days 🔍

Sourcesinfo

Advisory: huntr.com
Status: Confirmed

CVE: CVE-2021-3742 (🔍)
GCVE (CVE): GCVE-0-2021-3742
GCVE (VulDB): GCVE-100-284695

Entryinfo

Created: 11/15/2024 12:11
Updated: 02/26/2025 19:09
Changes: 11/15/2024 12:11 (64), 11/18/2024 17:20 (1), 02/26/2025 19:09 (3)
Complete: 🔍
Cache ID: 216::103

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