Details of VAR-202102-0565

ID

VAR-202102-0565

CVE

CVE-2021-1294

TITLE

plural Cisco Small Business RV Vulnerability in router

Trust: 0.8

sources: JVNDB: JVNDB-2021-003104

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 An unspecified vulnerability exists in the router.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. When parsing the filename parameter, the process does not properly validate a user-supplied string before using it to execute a system call

Trust: 2.34

sources: NVD: CVE-2021-1294 // JVNDB: JVNDB-2021-003104 // ZDI: ZDI-21-137 // VULMON: CVE-2021-1294

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-21-137 // JVNDB: JVNDB-2021-003104 // NVD: CVE-2021-1294

CVSS

SEVERITY

CVSSV2

CVSSV3

NVD:	CVE-2021-1294
value:	CRITICAL
Trust: 1.8
ZDI:	CVE-2021-1294
value:	HIGH
Trust: 0.7
CNNVD:	CNNVD-202102-341
value:	CRITICAL
Trust: 0.6
VULMON:	CVE-2021-1294
value:	HIGH
Trust: 0.1

VULMON:	CVE-2021-1294
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:	10.0
impactScore:	10.0
acInsufInfo:	NONE
obtainAllPrivilege:	NONE
obtainUserPrivilege:	NONE
obtainOtherPrivilege:	NONE
userInteractionRequired:	NONE
version:	2.0
Trust: 1.9

NVD:	CVE-2021-1294
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-2021-1294
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-2021-1294
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-21-137 // VULMON: CVE-2021-1294 // JVNDB: JVNDB-2021-003104 // CNNVD: CNNVD-202102-341 // NVD: CVE-2021-1294

PROBLEMTYPE DATA

problemtype:	CWE-472	Trust: 1.0
problemtype:	Lack of information (CWE-noinfo) [NVD Evaluation ]	Trust: 0.8

sources: JVNDB: JVNDB-2021-003104 // NVD: CVE-2021-1294

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202102-341

TYPE

authorization issue

Trust: 0.6

sources: CNNVD: CNNVD-202102-341

CONFIGURATIONS

sources: NVD: CVE-2021-1294

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=140563	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-21-137 // VULMON: CVE-2021-1294 // JVNDB: JVNDB-2021-003104 // CNNVD: CNNVD-202102-341

EXTERNAL IDS

db:	NVD	id:	CVE-2021-1294	Trust: 3.2
db:	ZDI	id:	ZDI-21-137	Trust: 0.8
db:	JVNDB	id:	JVNDB-2021-003104	Trust: 0.8
db:	ZDI_CAN	id:	ZDI-CAN-11848	Trust: 0.7
db:	CNNVD	id:	CNNVD-202102-341	Trust: 0.6
db:	VULMON	id:	CVE-2021-1294	Trust: 0.1

sources: ZDI: ZDI-21-137 // VULMON: CVE-2021-1294 // JVNDB: JVNDB-2021-003104 // CNNVD: CNNVD-202102-341 // NVD: CVE-2021-1294

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-2021-1294	Trust: 1.4
url:	https://cwe.mitre.org/data/definitions/.html	Trust: 0.1
url:	https://cwe.mitre.org/data/definitions/472.html	Trust: 0.1
url:	https://nvd.nist.gov	Trust: 0.1
url:	https://threatpost.com/cisco-flaws-vpn-routers-rce/163662/	Trust: 0.1
url:	https://www.zerodayinitiative.com/advisories/zdi-21-137/	Trust: 0.1

sources: ZDI: ZDI-21-137 // VULMON: CVE-2021-1294 // JVNDB: JVNDB-2021-003104 // CNNVD: CNNVD-202102-341 // NVD: CVE-2021-1294

CREDITS

T Shiomitsu

Trust: 0.7

sources: ZDI: ZDI-21-137

SOURCES

db:	ZDI	id:	ZDI-21-137
db:	VULMON	id:	CVE-2021-1294
db:	JVNDB	id:	JVNDB-2021-003104
db:	CNNVD	id:	CNNVD-202102-341
db:	NVD	id:	CVE-2021-1294

LAST UPDATE DATE

2022-05-04T08:52:16.864000+00:00

SOURCES UPDATE DATE

db:	ZDI	id:	ZDI-21-137	date:	2021-02-04T00:00:00
db:	VULMON	id:	CVE-2021-1294	date:	2021-02-08T00:00:00
db:	JVNDB	id:	JVNDB-2021-003104	date:	2021-10-18T08:03:00
db:	CNNVD	id:	CNNVD-202102-341	date:	2021-02-09T00:00:00
db:	NVD	id:	CVE-2021-1294	date:	2021-02-08T16:17:00

SOURCES RELEASE DATE

db:	ZDI	id:	ZDI-21-137	date:	2021-02-04T00:00:00
db:	VULMON	id:	CVE-2021-1294	date:	2021-02-04T00:00:00
db:	JVNDB	id:	JVNDB-2021-003104	date:	2021-10-18T00:00:00
db:	CNNVD	id:	CNNVD-202102-341	date:	2021-02-03T00:00:00
db:	NVD	id:	CVE-2021-1294	date:	2021-02-04T17:15:00