CVE-2021-20739

CVSS V2 Medium 5.8 CVSS V3 High 8.8
Description
WRC-300FEBK, WRC-F300NF, WRC-733FEBK, WRH-300RD, WRH-300BK, WRH-300SV, WRH-300WH, WRH-H300WH, WRH-H300BK, WRH-300BK-S, and WRH-300WH-S all versions allows an unauthenticated network-adjacent attacker to execute an arbitrary OS command via unspecified vectors.
Overview
  • CVE ID
  • CVE-2021-20739
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-07T08:15:07
  • Last Modified Date
  • 2021-07-10T02:43:33
Weakness Enumerations
CWE URL
CWE-78 http://cwe.mitre.org/data/definitions/78.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:elecom:wrc-300febk_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrc-300febk:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrc-f300nf_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrc-f300nf:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrc-733febk_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrc-733febk:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300rd_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300rd:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300bk_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300bk:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300sv_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300sv:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300wh_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300wh:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-h300wh_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-h300wh:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-h300bk_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-h300bk:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300bk-s_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300bk-s:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:elecom:wrh-300wh-s_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:elecom:wrh-300wh-s:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:A/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • ADJACENT_NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 6.5
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • ADJACENT_NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://jvn.jp/en/vu/JVNVU94260088/index.html Third Party Advisory
https://www.elecom.co.jp/news/security/20210706-01/ Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20739
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20739
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:41 Added to TrackCVE
2022-12-05 05:27:52 2021-07-07T08:15Z 2021-07-07T08:15:07 CVE Published Date updated
2022-12-05 05:27:52 2021-07-10T02:43:33 CVE Modified Date updated
2022-12-05 05:27:52 Analyzed Vulnerability Status updated