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IcscertCVE-2021-38412

HistorySep 17, 2021 - 8:15 p.m.

CVE-2021-38412

2021-09-1720:15:07

CWE-306

CWE-287

icscert

web.nvd.nist.gov

cve-2021-38412

digi portserver

snmp

web servers

authentication bypass

security vulnerability

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.002

Percentile

59.1%

JSON

Properly formatted POST requests to multiple resources on the HTTP and HTTPS web servers of the Digi PortServer TS 16 Rack device do not require authentication or authentication tokens. This vulnerability could allow an attacker to enable the SNMP service and manipulate the community strings to achieve further control in.

Affected configurations

Nvd

Node

digiportserver_ts_16_firmwareMatch82000684

digiportserver_ts_16_firmwareMatch82000685

AND

digiportserver_ts_16Match-

VendorProductVersionCPE
digiportserver_ts_16_firmware82000684cpe:2.3:o:digi:portserver_ts_16_firmware:82000684:*:*:*:*:*:*:*
digiportserver_ts_16_firmware82000685cpe:2.3:o:digi:portserver_ts_16_firmware:82000685:*:*:*:*:*:*:*
digiportserver_ts_16-cpe:2.3:h:digi:portserver_ts_16:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
digi	portserver_ts_16_firmware	82000684	cpe:2.3:o:digi:portserver_ts_16_firmware:82000684:::::::*
digi	portserver_ts_16_firmware	82000685	cpe:2.3:o:digi:portserver_ts_16_firmware:82000685:::::::*
digi	portserver_ts_16	-	cpe:2.3:h:digi:portserver_ts_16:-:::::::*

CNA Affected

[
  {
    "product": "PortServer TS 16",
    "vendor": "Digi International",
    "versions": [
      {
        "lessThanOrEqual": "82000684",
        "status": "affected",
        "version": "Firmware",
        "versionType": "custom"
      }
    ]
  }
]

References

us-cert.cisa.gov/ics/advisories/icsa-21-257-01

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.4

Confidence

High

EPSS

0.002

Percentile

59.1%

JSON

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