CVE-2023-46736— Server-Side Request Forgery in espocrm
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I. Basic Information for CVE-2023-46736
Vulnerability Information
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Vulnerability Title
Server-Side Request Forgery in espocrm
Source: NVD (National Vulnerability Database)
Vulnerability Description
EspoCRM is an Open Source CRM (Customer Relationship Management) software. In affected versions there is Server-Side Request Forgery (SSRF) vulnerability via the upload image from url api. Users who have access to `the /Attachment/fromImageUrl` endpoint can specify URL to point to an internal host. Even though there is check for content type, it can be bypassed by redirects in some cases. This SSRF can be leveraged to disclose internal information (in some cases), target internal hosts and bypass firewalls. This vulnerability has been addressed in commit `c536cee63` which is included in release version 8.0.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
EspoCRM 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EspoCRM是一套开源的基于Web的客户关系管理系统（CRM）。该系统提供销售自动化、社区和客户支持等功能。 EspoCRM 8.0.2及之前版本存在代码问题漏洞，该漏洞源于存在服务器请求伪造（SSRF）漏洞。攻击者可利用该漏洞泄露内部信息并绕过防火墙。
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
II. Public POCs for CVE-2023-46736
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- https://github.com/espocrm/espocrm/security/advisories/GHSA-g955-rwxx-jvf6x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2023-46736
IV. Related Vulnerabilities
Same product: espocrm
- CVE-2026-33733
EspoCRM has Admin TemplateManager path traversal that allows - CVE-2026-33656
EspoCRM vulnerable to authenticated RCE via Formula with pat - CVE-2026-33740
EspoCRM: Email importEml can import and delete another user' - CVE-2026-33659
EspoCRM: SSRF via DNS Rebinding in Attachment fromImageUrl E - CVE-2026-33657
EspoCRM: Stored HTML injection in email notifications about
Same vendor: espocrm
- CVE-2026-33733
EspoCRM has Admin TemplateManager path traversal that allows - CVE-2026-33656
EspoCRM vulnerable to authenticated RCE via Formula with pat - CVE-2026-33740
EspoCRM: Email importEml can import and delete another user' - CVE-2026-33659
EspoCRM: SSRF via DNS Rebinding in Attachment fromImageUrl E - CVE-2026-33657
EspoCRM: Stored HTML injection in email notifications about
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2023-46736
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