vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-32639

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

CRITICAL
9.9
CVSS Score
Published: July 2, 2021 at 03:30 PM UTC
Updated: June 17, 2026 at 03:53 AM UTC
2 products affected across 2 vendorsEmissaryEmissary

Using emissary by NationalSecurityAgency?

Get instant alerts when new vulnerabilities affect emissary - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
CRITICAL9.9
Exploit prediction
EPSS 1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/AddChildDirectoryAction.java
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/RegisterPeerAction.java
x_refsource_CONFIRMExploitThird Party Advisory
Source: [email protected]
https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-2p8j-2rf3-h4xr

CVSS

9.9CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-918

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card