CVE-2021-32639

Public Exploit
Server-Side Request Forgery (SSRF) in emissary:emissary

Description

Emissary is a P2P-based, data-driven workflow engine. Emissary version 6.4.0 is vulnerable to Server-Side Request Forgery (SSRF). In particular, the `RegisterPeerAction` endpoint and the `AddChildDirectoryAction` endpoint are vulnerable to SSRF. This vulnerability may lead to credential leaks. Emissary version 7.0 contains a patch. As a workaround, disable network access to Emissary from untrusted sources.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.62%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: NationalSecurityAgency emissary
Published at:
Updated at:

References

Link Tags
https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-2p8j-2rf3-h4xr third party advisory exploit
https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/AddChildDirectoryAction.java third party advisory exploit
https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/RegisterPeerAction.java third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-32639?
CVE-2021-32639 has been scored as a high severity vulnerability.
How to fix CVE-2021-32639?
To fix CVE-2021-32639, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-32639 being actively exploited in the wild?
It is possible that CVE-2021-32639 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32639?
CVE-2021-32639 affects NationalSecurityAgency emissary.
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