What’s Vulnerable › Vulnerabilities

CVE-2021-40858

• Severity: medium (CVSS 4.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-13 · updated 2026-06-17
• Weakness: CWE-22

Description

Auerswald COMpact 5500R devices before 8.2B allow Arbitrary File Disclosure. A sub-admin can read the cleartext Admin password via the fileName=../../etc/passwd substring.

Affected products

• Auerswald Commander 6000R Ip Firmware: through 8.0b
• Auerswald Commander 6000Rx Ip Firmware: through 8.0b
• Auerswald Commander Basic.2(19") Ip Firmware: through 8.0b
• Auerswald Commander Business(19") Ip Firmware: through 8.0b
• Auerswald Compact 4000 Ip Firmware: through 8.0b
• Auerswald Compact 5000R Ip Firmware: through 8.0b
• Auerswald Compact 5010 Voip Ip Firmware: through 8.0b
• Auerswald Compact 5020 Voip Ip Firmware: through 8.0b
• Auerswald Compact 5200R Ip Firmware: through 8.0b
• Auerswald Compact 5500R Ip Firmware: through 8.0b

References

• http://packetstormsecurity.com/files/165166/Auerswald-COMpact-8.0B-Arbitrary-File-Disclosure.html
• https://www.redteam-pentesting.de/advisories/rt-sa-2021-006
• https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses
• http://packetstormsecurity.com/files/165166/Auerswald-COMpact-8.0B-Arbitrary-File-Disclosure.html
• https://www.redteam-pentesting.de/advisories/rt-sa-2021-006
• https://www.redteam-pentesting.de/en/advisories/-advisories-publicised-vulnerability-analyses

Get alerted when CVE-2021-40858 or the next vulnerability affects your stack