CVE-2021-33540
HIGHCVSS 7.3/10EPSS 0.72%
Last modified
CVE-2021-33540 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Phoenixcontact | Axl F Bk Pn Tps Xc Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk Pn Tps Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk Eip Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk Eip Ef Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk Eth Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk Eth Xc Firmware | < 1.30 |
| Phoenixcontact | Axl F Bk S35 Firmware | < 1.40 |
| Phoenixcontact | Axl F Bk Pn Firmware | All versions |
| Phoenixcontact | Axl F Bk Pn Xc Firmware | All versions |
| Phoenixcontact | Axl F Bk Eth Net2 Firmware | All versions |
| Phoenixcontact | Axl F Bk Sas Firmware | All versions |
| Phoenixcontact | Il Pn Bk-Pac Firmware | All versions |
| Phoenixcontact | Il Pn Bk Di8 Do4 2tx-Pac Firmware | All versions |
| Phoenixcontact | Il Pn Bk Di8 Do4 2scrj-Pac Firmware | All versions |
| Phoenixcontact | Il Eth Bk Di8 Do4 2tx-Xc-Pac Firmware | All versions |
| Phoenixcontact | Il Eth Bk Di8 Do4 2tx-Pac Firmware | All versions |
| Phoenixcontact | Il Eip Bk Di8 Do4 2tx-Pac Firmware | All versions |
| Phoenixcontact | Il S3 Bk Di8 Do4 2tx-Pac Firmware | All versions |
References
- https://cert.vde.com/en-us/advisories/vde-2021-021Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2021-021Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33540?
In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.
How severe is CVE-2021-33540?
CVE-2021-33540 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33540?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-33540?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST