Details of VAR-202112-0711

ID

VAR-202112-0711

CVE

CVE-2021-20137

TITLE

Gryphon Tower Cross-site scripting vulnerability in routers

Trust: 0.8

sources: JVNDB: JVNDB-2021-016123

DESCRIPTION

A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ page on the Gryphon Tower router's web interface. An attacker could exploit this issue by tricking a user into following a specially crafted link, granting the attacker javascript execution in the context of the victim's browser

Trust: 1.71

sources: NVD: CVE-2021-20137 // JVNDB: JVNDB-2021-016123 // VULMON: CVE-2021-20137

AFFECTED PRODUCTS

vendor:	gryphonconnect	model:	gryphon tower	scope:	lte	version:	04.0004.12	Trust: 1.0
vendor:	gryphon	model:	tower	scope:	-	version:	-	Trust: 0.8
vendor:	gryphon	model:	tower	scope:	eq	version:	-	Trust: 0.8
vendor:	gryphon	model:	tower	scope:	eq	version:	gryphon tower firmware	Trust: 0.8

sources: JVNDB: JVNDB-2021-016123 // NVD: CVE-2021-20137

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov:	CVE-2021-20137
value:	MEDIUM
Trust: 1.0
NVD:	CVE-2021-20137
value:	MEDIUM
Trust: 0.8
CNNVD:	CNNVD-202112-737
value:	MEDIUM
Trust: 0.6
VULMON:	CVE-2021-20137
value:	MEDIUM
Trust: 0.1

nvd@nist.gov:	CVE-2021-20137
severity:	MEDIUM
baseScore:	4.3
vectorString:	AV:N/AC:M/AU:N/C:N/I:P/A:N
accessVector:	NETWORK
accessComplexity:	MEDIUM
authentication:	NONE
confidentialityImpact:	NONE
integrityImpact:	PARTIAL
availabilityImpact:	NONE
exploitabilityScore:	8.6
impactScore:	2.9
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

nvd@nist.gov:	CVE-2021-20137
baseSeverity:	MEDIUM
baseScore:	6.1
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	2.8
impactScore:	2.7
version:	3.1
Trust: 1.0
NVD:	CVE-2021-20137
baseSeverity:	MEDIUM
baseScore:	6.1
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	REQUIRED
scope:	CHANGED
confidentialityImpact:	LOW
integrityImpact:	LOW
availabilityImpact:	NONE
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8

sources: VULMON: CVE-2021-20137 // JVNDB: JVNDB-2021-016123 // CNNVD: CNNVD-202112-737 // NVD: CVE-2021-20137

PROBLEMTYPE DATA

problemtype:	CWE-79	Trust: 1.0
problemtype:	Cross-site scripting (CWE-79) [NVD evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-016123 // NVD: CVE-2021-20137

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202112-737

TYPE

XSS

Trust: 0.6

sources: CNNVD: CNNVD-202112-737

PATCH

title:	Top Page	url:	https://gryphonconnect.com/	Trust: 0.8
title:	Gryphon Tower Fixes for cross-site scripting vulnerabilities	url:	http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=174230	Trust: 0.6
title:	Kenzer Templates [5170] [DEPRECATED]	url:	https://github.com/ARPSyndicate/kenzer-templates	Trust: 0.1

sources: VULMON: CVE-2021-20137 // JVNDB: JVNDB-2021-016123 // CNNVD: CNNVD-202112-737

EXTERNAL IDS

db:	NVD	id:	CVE-2021-20137	Trust: 3.3
db:	TENABLE	id:	TRA-2021-51	Trust: 2.5
db:	JVNDB	id:	JVNDB-2021-016123	Trust: 0.8
db:	CNNVD	id:	CNNVD-202112-737	Trust: 0.6
db:	VULMON	id:	CVE-2021-20137	Trust: 0.1

sources: VULMON: CVE-2021-20137 // JVNDB: JVNDB-2021-016123 // CNNVD: CNNVD-202112-737 // NVD: CVE-2021-20137

REFERENCES

url:	https://www.tenable.com/security/research/tra-2021-51	Trust: 2.5
url:	https://nvd.nist.gov/vuln/detail/cve-2021-20137	Trust: 0.8
url:	https://cwe.mitre.org/data/definitions/79.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://github.com/arpsyndicate/kenzer-templates	Trust: 0.1

sources: VULMON: CVE-2021-20137 // JVNDB: JVNDB-2021-016123 // CNNVD: CNNVD-202112-737 // NVD: CVE-2021-20137

SOURCES

db:	VULMON	id:	CVE-2021-20137
db:	JVNDB	id:	JVNDB-2021-016123
db:	CNNVD	id:	CNNVD-202112-737
db:	NVD	id:	CVE-2021-20137

LAST UPDATE DATE

2024-08-14T13:53:44.112000+00:00

SOURCES UPDATE DATE

db:	VULMON	id:	CVE-2021-20137	date:	2021-12-13T00:00:00
db:	JVNDB	id:	JVNDB-2021-016123	date:	2022-12-07T02:50:00
db:	CNNVD	id:	CNNVD-202112-737	date:	2021-12-14T00:00:00
db:	NVD	id:	CVE-2021-20137	date:	2021-12-13T17:05:05.863

SOURCES RELEASE DATE

db:	VULMON	id:	CVE-2021-20137	date:	2021-12-09T00:00:00
db:	JVNDB	id:	JVNDB-2021-016123	date:	2022-12-07T00:00:00
db:	CNNVD	id:	CNNVD-202112-737	date:	2021-12-09T00:00:00
db:	NVD	id:	CVE-2021-20137	date:	2021-12-09T16:15:07.753