CVE-2021-40857
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
8.8
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
- Record
CVE-2021-40857- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-522
- Updated
- 2026-11-02
CVE List No score
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
- Record
CVE-2021-40857- Updated
- 2026-11-02
EUVDEUVD-2021-28013 No score
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
- Record
EUVD-2021-28013- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cc82-9xq4-fr7x
8.8
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
Auerswald COMpact 5500R devices before 8.2B allow Privilege Escalation via the passwd=1 substring.
- Record
GHSA-cc82-9xq4-fr7x- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
- auerswald commander 6000r ip firmware
- auerswald commander 6000rx ip firmware
- auerswald commander basic.2\(19\"\) ip firmware
- auerswald commander business\(19\"\) ip firmware
- auerswald compact 4000 ip firmware
- auerswald compact 5000r ip firmware
- auerswald compact 5010 voip ip firmware
- auerswald compact 5020 voip ip firmware
- auerswald compact 5200r ip firmware
- auerswald compact 5500r ip firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40857 is a high vulnerability (CVSS 8.8) in Auerswald Commander 6000r Ip Firmware, published December 13, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. No source names a fixed version.