CVE-2021-32634 — HIGH (7.2)

Vulnerability Description

Emissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the [`WorkSpaceClientEnqueue.action`](https://github.com/NationalSecurityAgency/emissary/blob/30c54ef16c6eb6ed09604a929939fb9f66868382/src/main/java/emissary/server/mvc/internal/WorkSpaceClientEnqueueAction.java) REST endpoint. This issue may lead to post-auth Remote Code Execution. This issue has been patched in version 6.5.0. As a workaround, one can disable network access to Emissary from untrusted sources.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nsa	Emissary	6.4.0

Related Weaknesses (CWE)

CWE-502

References

https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc9236170PatchThird Party Advisory
https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-m5qfThird Party Advisory
https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc9236170PatchThird Party Advisory
https://github.com/NationalSecurityAgency/emissary/security/advisories/GHSA-m5qfThird Party Advisory

FAQ

What is CVE-2021-32634?

CVE-2021-32634 is a vulnerability with a CVSS score of 7.2 (HIGH). Emissary is a distributed, peer-to-peer, data-driven workflow framework. Emissary 6.4.0 is vulnerable to Unsafe Deserialization of post-authenticated requests to the [`WorkSpaceClientEnqueue.action`](...

How severe is CVE-2021-32634?

CVE-2021-32634 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-32634?

Check the references section above for vendor advisories and patch information. Affected products include: Nsa Emissary.