What’s Vulnerable › Vulnerabilities

CVE-2021-28060

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-14 · updated 2026-06-17
• Weakness: CWE-918

Description

A Server-Side Request Forgery (SSRF) vulnerability in Group Office 6.4.196 allows a remote attacker to forge GET requests to arbitrary URLs via the url parameter to group/api/upload.php.

Affected products

• Intermesh groupoffice: 6.4.196

References

• https://fatihhcelik.blogspot.com/2020/12/group-office-crm-ssrf.html
• https://fatihhcelik.github.io/posts/Group-Office-CRM-SSRF/
• https://fatihhcelik.blogspot.com/2020/12/group-office-crm-ssrf.html
• https://fatihhcelik.github.io/posts/Group-Office-CRM-SSRF/

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