CVE-2025-9821 – Apache Server-Side Request Forgery (SSRF)

The following table lists the changes that have been made to the
CVE-2025-9821 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Sep. 03, 2025

    Action Type Old Value New Value
    Added Description SummaryUsers with webhook permissions can conduct SSRF via webhooks. If they have permission to view the webhook logs, the (partial) request response is also disclosed

    DetailsWhen sending webhooks, the destination is not validated, causing SSRF.

    ImpactBypass of firewalls to interact with internal services.
    See https://owasp.org/Top10/A10_2021-Server-Side_Request_Forgery_%28SSRF%29/  for more potential impact.

    Resources https://cheatsheetseries.owasp.org/cheatsheets/Server_Side_Request_Forgery_Prevention_Cheat_Sheet.html  for more information on SSRF and its fix.

    Added CVSS V3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-918
    Added Reference https://github.com/mautic/mautic/security/advisories/GHSA-hj6f-7hp7-xg69
Share the Post:

Related Posts