High severity7.3NVD Advisory· Published Jun 25, 2021· Updated Jun 17, 2026
CVE-2021-33540
CVE-2021-33540
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22- cpe:2.3:o:phoenixcontact:axl_f_bk_eip_ef_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_eip_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_eth_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_eth_net2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:axl_f_bk_eth_xc_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_pn_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:axl_f_bk_pn_tps_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_pn_tps_xc_firmware:*:*:*:*:*:*:*:*Range: <1.30
- cpe:2.3:o:phoenixcontact:axl_f_bk_pn_xc_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:axl_f_bk_s35_firmware:*:*:*:*:*:*:*:*Range: <1.40
- cpe:2.3:o:phoenixcontact:axl_f_bk_sas_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_eip_bk_di8_do4_2tx-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_eth_bk_di8_do4_2tx-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_eth_bk_di8_do4_2tx-xc-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_pn_bk-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_pn_bk_di8_do4_2scrj-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_pn_bk_di8_do4_2tx-pac_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:phoenixcontact:il_s3_bk_di8_do4_2tx-pac_firmware:*:*:*:*:*:*:*:*
(expand)+ 1 more
- (no CPE)
- (no CPE)range: AXL F PN (2701815) all revisions
- Phoenix Contact/ILv5Range: IL PN BK-PAC (2403696) all revisions
Patches
Vulnerability mechanics
References
1- cert.vde.com/en-us/advisories/vde-2021-021nvdThird Party Advisory
News mentions
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