CVE-2023-37857
PHOENIX CONTACT: Use of Hard-coded Credentials in WP 6xxx Web panels
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
PHOENIX CONTACT: Use of Hard-coded Credentials in WP 6xxx Web panels
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.
- Record
CVE-2023-37857- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2023-41731
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.
- Record
EUVD-2023-41731- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rq33-29r2-6jr3
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated,...
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. This issue cannot be exploited to bypass the web service authentication of the affected device(s).
- Record
GHSA-rq33-29r2-6jr3- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-798
- Updated
- 2026-11-10
NVD
In PHOENIX CONTACTs WP 6xxx series web panels in versions prior to 4.0.10 an authenticated, remote attacker with admin privileges is able to read hardcoded cryptographic keys allowing the attacker to create valid session cookies. These session-cookies created by the attacker are not sufficient to obtain a valid session on the device.
- Record
CVE-2023-37857- CVSS 3.1
- 3.8 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N - CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-798
- Updated
- 2026-11-10
Affected products
- phoenix contact wp 6070-wvps
- phoenix contact wp 6101-wxps
- phoenix contact wp 6121-wxps
- phoenix contact wp 6156-whps
- phoenix contact wp 6185-whps
- phoenix contact wp 6215-whps
- phoenixcontact wp 6070-wvps firmware
- phoenixcontact wp 6101-wxps firmware
- phoenixcontact wp 6121-wxps firmware
- phoenixcontact wp 6156-whps firmware
- phoenixcontact wp 6185-whps firmware
- phoenixcontact wp 6215-whps firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| facts, references | GitHub Advisories | |
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-37857 is a low vulnerability (CVSS 3.8) in Phoenix Contact Wp 6070-wvps, published August 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.58%, the 48th percentile. No source names a fixed version.