CVE-2020-7799

high-risk
Published 2020-01-28

An issue was discovered in FusionAuth before 1.11.0. An authenticated user, allowed to edit e-mail templates (Home -> Settings -> Email Templates) or themes (Home -> Settings -> Themes), can execute commands on the underlying operating system by abusing freemarker.template.utility.Execute in the Apache FreeMarker engine that processes custom templates.

Do I need to act?

!
75.1% chance of exploitation in next 30 days
EPSS score — higher than 25% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.2/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Fusionauth

References (8)

Third Party Advisory http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execu...
Exploit https://fusionauth.io/docs/v1/tech/release-notes
Third Party Advisory https://lab.mediaservice.net/advisory/2020-03-fusionauth.txt
Mailing List https://seclists.org/bugtraq/2020/Jan/39
Third Party Advisory http://packetstormsecurity.com/files/156102/FusionAuth-1.10-Remote-Command-Execu...
Exploit https://fusionauth.io/docs/v1/tech/release-notes
Third Party Advisory https://lab.mediaservice.net/advisory/2020-03-fusionauth.txt
Mailing List https://seclists.org/bugtraq/2020/Jan/39
50
/ 100
high-risk
Severity 26/34 · High
Exploitability 19/34 · Moderate
Exposure 5/34 · Minimal