CVE-2021-40859

Description

Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow attackers with access to the web based management application full administrative access to the device.

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Auerswald COMpact 8.0B - Multiple Backdoors EDB-50569 · remote · Dec 6, 2021

GitHub 2 repositories

pussycat0x/CVE-2021-40859 ★ 5 · Dec 29, 2021

Auerswald VoIP System Secret Backdoors -PoC
419066074/CVE-2021-40859 ★ 5 · Dec 28, 2021

Auerswald COMpact 8.0B Backdoors exploit

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Auerswald COMpact 5500R 7.8A and 8.0B Devices Backdoor http/cves/2021/CVE-2021-40859.yaml

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

Backdoors were discovered in Auerswald COMpact 5500R 7.8A and 8.0B devices, that allow attackers with access to the web based management ap…