CVE-2021-21002

In Phoenix Contact FL COMSERVER UNI in versions < 2.40 a invalid Modbus exception response can lead to a temporary denial of service.
References
Link Resource
https://cert.vde.com/en-us/advisories/vde-2021-022 Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:phoenixcontact:fl_comserver_uni_232\/422\/485_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:fl_comserver_uni_232\/422\/485:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:phoenixcontact:fl_comserver_uni_232\/422\/485-t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:fl_comserver_uni_232\/422\/485-t:-:*:*:*:*:*:*:*

History

01 Jul 2021, 19:43

Type Values Removed Values Added
References (CONFIRM) https://cert.vde.com/en-us/advisories/vde-2021-022 - (CONFIRM) https://cert.vde.com/en-us/advisories/vde-2021-022 - Third Party Advisory
CPE cpe:2.3:h:phoenixcontact:fl_comserver_uni_232\/422\/485-t:-:*:*:*:*:*:*:*
cpe:2.3:h:phoenixcontact:fl_comserver_uni_232\/422\/485:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_comserver_uni_232\/422\/485_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_comserver_uni_232\/422\/485-t_firmware:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : 5.0
v3 : 7.5
CWE CWE-772

25 Jun 2021, 19:15

Type Values Removed Values Added
New CVE

Information

Published : 2021-06-25 19:15

Updated : 2023-12-10 13:55


NVD link : CVE-2021-21002

Mitre link : CVE-2021-21002

CVE.ORG link : CVE-2021-21002


JSON object : View

Products Affected

phoenixcontact

  • fl_comserver_uni_232\/422\/485
  • fl_comserver_uni_232\/422\/485-t
  • fl_comserver_uni_232\/422\/485-t_firmware
  • fl_comserver_uni_232\/422\/485_firmware
CWE
CWE-772

Missing Release of Resource after Effective Lifetime