Details of VAR-202102-0563

ID

VAR-202102-0563

CVE

CVE-2021-1292

TITLE

plural Cisco Small Business RV Assumed to be immutable in the router Web Parameter external control vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-003098

DESCRIPTION

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as the root user on an affected device. These vulnerabilities exist because HTTP requests are not properly validated. An attacker could exploit these vulnerabilities by sending a crafted HTTP request to the web-based management interface of an affected device. A successful exploit could allow the attacker to remotely execute arbitrary code on the device. plural Cisco Small Business RV The router is assumed to be immutable Web There is a vulnerability related to external control of parameters.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Authentication is not required to exploit this vulnerability.The specific flaw exists within the web service, which listens on TCP port 443 by default. A crafted URL can trigger execution of a system call composed from a user-supplied string

Trust: 2.34

sources: NVD: CVE-2021-1292 // JVNDB: JVNDB-2021-003098 // ZDI: ZDI-21-133 // VULMON: CVE-2021-1292

AFFECTED PRODUCTS

vendor:	cisco	model:	rv260 vpn router	scope:	lt	version:	1.0.01.02	Trust: 1.0
vendor:	cisco	model:	rv260w wireless-ac vpn router	scope:	lt	version:	1.0.01.02	Trust: 1.0
vendor:	cisco	model:	rv260p vpn router with poe	scope:	lt	version:	1.0.01.02	Trust: 1.0
vendor:	cisco	model:	rv160 vpn router	scope:	lt	version:	1.0.01.02	Trust: 1.0
vendor:	cisco	model:	rv160w wireless-ac vpn router	scope:	lt	version:	1.0.01.02	Trust: 1.0
vendor:	シスコシステムズ	model:	rv260w wireless-ac vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv160w wireless-ac vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv160 vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv260p vpn router with poe	scope:	-	version:	-	Trust: 0.8
vendor:	シスコシステムズ	model:	rv260 vpn router	scope:	-	version:	-	Trust: 0.8
vendor:	cisco	model:	multiple routers	scope:	-	version:	-	Trust: 0.7

sources: ZDI: ZDI-21-133 // JVNDB: JVNDB-2021-003098 // NVD: CVE-2021-1292

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-1292
value:	CRITICAL
Trust: 1.8
ZDI:	CVE-2021-1292
value:	HIGH
Trust: 0.7
CNNVD:	CNNVD-202102-345
value:	CRITICAL
Trust: 0.6

NVD:	CVE-2021-1292
severity:	HIGH
baseScore:	10.0
vectorString:	AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector:	NETWORK
accessComplexity:	LOW
authentication:	NONE
confidentialityImpact:	COMPLETE
integrityImpact:	COMPLETE
availabilityImpact:	COMPLETE
exploitabilityScore:	NONE
impactScore:	NONE
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.8

NVD:	CVE-2021-1292
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	3.9
impactScore:	5.9
version:	3.1
Trust: 1.0
NVD:	CVE-2021-1292
baseSeverity:	CRITICAL
baseScore:	9.8
vectorString:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	NETWORK
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	NONE
impactScore:	NONE
version:	3.0
Trust: 0.8
ZDI:	CVE-2021-1292
baseSeverity:	HIGH
baseScore:	8.8
vectorString:	AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector:	ADJACENT
attackComplexity:	LOW
privilegesRequired:	NONE
userInteraction:	NONE
scope:	UNCHANGED
confidentialityImpact:	HIGH
integrityImpact:	HIGH
availabilityImpact:	HIGH
exploitabilityScore:	2.8
impactScore:	5.9
version:	3.0
Trust: 0.7

sources: ZDI: ZDI-21-133 // JVNDB: JVNDB-2021-003098 // CNNVD: CNNVD-202102-345 // NVD: CVE-2021-1292

PROBLEMTYPE DATA

problemtype:	CWE-472	Trust: 1.0
problemtype:	Assumed to be immutable Web External control of parameters (CWE-472) [ Other ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-003098 // NVD: CVE-2021-1292

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-345

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202102-345

CONFIGURATIONS

sources: NVD: CVE-2021-1292

PATCH

title:	Cisco has issued an update to correct this vulnerability.	url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-rv160-260-rce-xzefknhf	Trust: 1.5
title:	Multiple Cisco Product Authorization Issue Vulnerability Fixing Measures	url:	http://www.cnnvd.org.cn/web/xxk/bdxqbyid.tag?id=140567	Trust: 0.6
title:	Cisco: Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities	url:	https://vulmon.com/vendoradvisory?qidtp=cisco_security_advisories_and_alerts_ciscoproducts&qid=cisco-sa-rv160-260-rce-xzefknhf	Trust: 0.1
title:	Threatpost	url:	https://threatpost.com/cisco-flaws-vpn-routers-rce/163662/	Trust: 0.1

sources: ZDI: ZDI-21-133 // VULMON: CVE-2021-1292 // JVNDB: JVNDB-2021-003098 // CNNVD: CNNVD-202102-345

EXTERNAL IDS

db:	NVD	id:	CVE-2021-1292	Trust: 3.2
db:	JVNDB	id:	JVNDB-2021-003098	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-11690	Trust: 0.7
db:	ZDI	id:	ZDI-21-133	Trust: 0.7
db:	CNNVD	id:	CNNVD-202102-345	Trust: 0.6
db:	VULMON	id:	CVE-2021-1292	Trust: 0.1

sources: ZDI: ZDI-21-133 // VULMON: CVE-2021-1292 // JVNDB: JVNDB-2021-003098 // CNNVD: CNNVD-202102-345 // NVD: CVE-2021-1292

REFERENCES

url:	https://tools.cisco.com/security/center/content/ciscosecurityadvisory/cisco-sa-rv160-260-rce-xzefknhf	Trust: 2.4
url:	https://nvd.nist.gov/vuln/detail/cve-2021-1292	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/472.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://exchange.xforce.ibmcloud.com/vulnerabilities/196083	Trust: 0.1
url:	https://threatpost.com/cisco-flaws-vpn-routers-rce/163662/	Trust: 0.1

sources: ZDI: ZDI-21-133 // VULMON: CVE-2021-1292 // JVNDB: JVNDB-2021-003098 // CNNVD: CNNVD-202102-345 // NVD: CVE-2021-1292

CREDITS

T Shiomitsu

Trust: 0.7

sources: ZDI: ZDI-21-133

SOURCES

db:	ZDI	id:	ZDI-21-133
db:	VULMON	id:	CVE-2021-1292
db:	JVNDB	id:	JVNDB-2021-003098
db:	CNNVD	id:	CNNVD-202102-345
db:	NVD	id:	CVE-2021-1292

LAST UPDATE DATE

2022-05-04T10:03:16.758000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-21-133	date:	2021-02-04T00:00:00
db:	VULMON	id:	CVE-2021-1292	date:	2021-02-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-003098	date:	2021-10-18T08:03:00
db:	CNNVD	id:	CNNVD-202102-345	date:	2021-02-09T00:00:00
db:	NVD	id:	CVE-2021-1292	date:	2021-02-08T16:16:00

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-21-133	date:	2021-02-04T00:00:00
db:	VULMON	id:	CVE-2021-1292	date:	2021-02-04T00:00:00
db:	JVNDB	id:	JVNDB-2021-003098	date:	2021-10-18T00:00:00
db:	CNNVD	id:	CNNVD-202102-345	date:	2021-02-03T00:00:00
db:	NVD	id:	CVE-2021-1292	date:	2021-02-04T17:15:00