CVE-2021-32634

Deserialization of Untrusted Data in Emissary

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.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.05% Top 15%
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-m5qf-gfmp-7638 third party advisory
https://github.com/NationalSecurityAgency/emissary/commit/40260b1ec1f76cc92361702cc14fa1e4388e19d7 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-32634?
CVE-2021-32634 has been scored as a high severity vulnerability.
How to fix CVE-2021-32634?
To fix CVE-2021-32634, 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-2021-32634 being actively exploited in the wild?
It is possible that CVE-2021-32634 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-32634?
CVE-2021-32634 affects NationalSecurityAgency emissary.
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