CVE-2021-21003

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.
Overview
  • CVE ID
  • CVE-2021-21003
  • Assigner
  • info@cert.vde.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-25T19:15:08
  • Last Modified Date
  • 2021-07-01T23:51:41
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_16tx_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_16tx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\/2fx_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\/2fx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\/2fx-sm_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\/2fx-sm:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8gt_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_8gt:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_6gt\/2sfp_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_6gt\/2sfp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx-pn_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx-pn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_4tx-pn_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_4tx-pn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smcs_6tx\/2sfp_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smcs_6tx\/2sfp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2pof-pn_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2pof-pn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smn_8tx-pn_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smn_8tx-pn:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2fx_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2fx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2fx_sm_firmware:*:*:*:*:*:*:*:* 1 OR 4.70
cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2fx_sm:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx_firmware:*:*:*:*:*:*:*:* 1 OR 4.63
cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx-m_firmware:*:*:*:*:*:*:*:* 1 OR 4.63
cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx-m:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://cert.vde.com/en-us/advisories/vde-2021-023 Third Party Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:07 Added to TrackCVE
2022-12-05 05:02:27 2021-06-25T19:15Z 2021-06-25T19:15:08 CVE Published Date updated
2022-12-05 05:02:27 2021-07-01T23:51:41 CVE Modified Date updated
2022-12-05 05:02:27 Analyzed Vulnerability Status updated