Vulnerability Details : 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.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-20857
- cpe:2.3:o:elecom:wrc-2533ghbk-i_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20857
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 27 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20857
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2021-20857
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-20857
-
https://jvn.jp/en/jp/JVN88993473/index.html
JVN#88993473: Multiple vulnerabilities in multiple ELECOM LAN routersThird Party Advisory
-
https://www.elecom.co.jp/news/security/20211130-01/
無線LANルーターのセキュリティ向上のためのファームウェアアップデートのお願い - 最新情報 - セキュリティ情報｜ELECOMVendor Advisory
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