---
title: "Security digest: September 1, 2021"
url: https://erroneo.us/security/2021-09-01/
description: "September 1, 2021 vulnerability digest: 1 brief (Dahua CVE-2021-33044/33045: Camera Login Bypass…). What to patch and who can relax."
type: security-digest-day
section: "Security Digest"
date_published: 2021-09-01
date_modified: 2026-10-23
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# Security digest: September 1, 2021

1 editorial brief.

## Take stock

- Check exposure: Dahua CVE-2021-33044/33045: Camera Login Bypass in KEV . Owners of Dahua IP cameras, NVRs, XVRs, door stations or thermal cameras with firmware built before mid-2021, especially any reachable from the internet or through Dahua P2P.
- None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.

## Editorial briefs

- **Check exposure** [Dahua CVE-2021-33044/33045: Camera Login Bypass in KEV](https://erroneo.us/security/briefs/dahua-cve-2021-33044-33045-camera-auth-bypass/index.md): Fixed in 2021, but unpatched Dahua devices are still being taken over with public tools in 2026; anyone with Dahua cameras, recorders or intercoms should check firmware dates, exposure and user accounts now.

## Known exploited (CISA KEV)

None.

## Critical advisories

None.

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Source page: https://erroneo.us/security/2021-09-01/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt