CVE-2021-20857

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-20857
Cross-site scripting vulnerability in ELECOM LAN router WRC-2533GHBK-I firmware v1.20 and prior allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors.

5.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

3.5 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://jvn.jp/en/jp/JVN88993473/index.html Third Party Advisory
https://www.elecom.co.jp/news/security/20211130-01/ Vendor Advisory
https://jvn.jp/en/jp/JVN88993473/index.html Third Party Advisory
https://www.elecom.co.jp/news/security/20211130-01/ Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:elecom:wrc-2533ghbk-i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrc-2533ghbk-i:-:*:*:*:*:*:*:*
History

21 Nov 2024, 05:47

Type Values Removed Values Added
References () https://jvn.jp/en/jp/JVN88993473/index.html - Third Party Advisory () https://jvn.jp/en/jp/JVN88993473/index.html - Third Party Advisory
References () https://www.elecom.co.jp/news/security/20211130-01/ - Vendor Advisory () https://www.elecom.co.jp/news/security/20211130-01/ - Vendor Advisory

02 Dec 2021, 16:29

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 3.5
v3 : 5.4
CWE CWE-79
References (MISC) https://jvn.jp/en/jp/JVN88993473/index.html - (MISC) https://jvn.jp/en/jp/JVN88993473/index.html - Third Party Advisory
References (MISC) https://www.elecom.co.jp/news/security/20211130-01/ - (MISC) https://www.elecom.co.jp/news/security/20211130-01/ - Vendor Advisory
CPE cpe:2.3:o:elecom:wrc-2533ghbk-i_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:elecom:wrc-2533ghbk-i:-:*:*:*:*:*:*:*

01 Dec 2021, 03:23

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-01 03:15

Updated : 2024-11-21 05:47

NVD link : CVE-2021-20857

Mitre link : CVE-2021-20857

CVE.ORG link : CVE-2021-20857

JSON object : View

Products Affected

elecom

  • wrc-2533ghbk-i
  • wrc-2533ghbk-i_firmware
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')