# CVE-2022-21894

> As of 2026-10-22, CVE-2022-21894 is a vulnerability. Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2022-21894, most recently “APT41 BlackX UEFI bootkit (BlackLotus-derived) targets Central Asian diplomatic organizations via CVE-2022-21894 (Baton Drop)”.

**Last updated:** 2026-10-22

## What is CVE-2022-21894?

CVE-2022-21894 vulnerability details.

No weakness class, CVSS vector or affected-product list has been recorded for CVE-2022-21894 beyond the description above.

## Severity and exploitation probability

- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog

## Is CVE-2022-21894 being exploited?

It currently carries a trending score of 5 in the Threadlinqs vulnerability feed.

## Affected products and versions

No affected-product or package list has been recorded for CVE-2022-21894 in the tracked sources. The vendor advisory and the references below are the authoritative statement of what is affected.

## How to fix CVE-2022-21894

No vendor patch reference has been recorded for CVE-2022-21894 in the tracked sources. Watch the CNA record and the vendor advisory channel for a fix, and treat any affected deployment as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2022-21894

1 tracked threat in the Threadlinqs corpus references CVE-2022-21894, either in the campaign’s CVE list or as an indicator on the campaign record.

- [APT41 BlackX UEFI bootkit (BlackLotus-derived) targets Central Asian diplomatic organizations via CVE-2022-21894 (Baton Drop)](https://intel.threadlinqs.com/threat/TL-2026-4118) — CRITICAL · 2026-10-22

## Sources

Seeded from `threat-derived` and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

No external references are recorded on this row.

Canonical: https://intel.threadlinqs.com/cve/CVE-2022-21894
Full detection coverage and IOCs for threats exploiting CVE-2022-21894 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp
