2.7

CVE-2025-9821: mautic Server-Side Request Forgery (SSRF)

CVSS: 2.7v3.1LowDeferred
Published 03-09-2025Last modified 03-09-2025

Vulnerability summary

CVE-2025-9821 is a low (CVSS 2.7) Server-Side Request Forgery (SSRF) vulnerability in mautic. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.

Overall risk
11/100
0100
Low · default modelHow is this calculated?
CVSS score
2.7/10
010
Low · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-09-2025
    PublishedVulnerability first disclosed.
  2. 03-09-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mautic1 product
  • mautic≥ >= 4.4.0, ≤ < 4.4.17 | ≥ >= 5.0.0-alpha, ≤ < 5.2.8 | ≥ >= 6.0.0-alpha, ≤ < 6.0.5

1 vendor · 1 product

References

1 links