CVE-2022-20700
published 2022-02-10CVE-2022-20700: Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute…
PriorityP189critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
KEVITW
CISA Known Exploited Vulnerabilitydue 2022-03-17
Exploited in the wild
EPSS
5.66%
92.1th percentile
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_small_business_rv_series_router_firmware | — | — |
| cisco | rv160_firmware | <= 1.0.01.05 | — |
| cisco | rv160w_firmware | <= 1.0.01.05 | — |
| cisco | rv260_firmware | <= 1.0.01.05 | — |
| cisco | rv260p_firmware | <= 1.0.01.05 | — |
| cisco | rv260w_firmware | <= 1.0.01.05 | — |
| cisco | rv340_firmware | <= 1.0.03.24 | — |
| cisco | rv340w_firmware | <= 1.0.03.24 | — |
| cisco | rv345_firmware | <= 1.0.03.24 | — |
| cisco | rv345p_firmware | <= 1.0.03.24 | — |
| cisco | small_business_rv_series_routers | — | — |
Detection & IOCsextracted from sources · hover to see the quote
- →CVE-2022-20700 affects Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers — detection should focus on exploit attempts targeting the web management interface of these specific router models ↗
- →CWE-121 (Stack-based Buffer Overflow) is the primary weakness — monitor for anomalous oversized input to the router's management interface that may indicate buffer overflow exploitation attempts ↗
- →CWE-434 (Unrestricted Upload of File with Dangerous Type) is among the associated weaknesses — monitor for unexpected file uploads to the device management interface, particularly executable or firmware-type files ↗
- →CWE-347 (Improper Verification of Cryptographic Signature) is listed — monitor for attempts to push unsigned firmware or software to affected devices, consistent with 'Fetch and run unsigned software' capability ↗
- →CWE-285 (Improper Authorization) and CWE-295 (Improper Certificate Validation) are listed — monitor for authentication bypass attempts and anomalous unauthenticated access to privileged router management functions ↗
- →This CVE is listed in CISA KEV with a remediation due date of 2022-03-17, confirming active exploitation in the wild — prioritize detection and patching on internet-exposed RV160/RV260/RV340/RV345 devices ↗
- ·Multiple CWEs are associated with this advisory (CVE-2022-20700 and related CVEs under the same advisory), meaning the attack surface spans stack overflow, privilege escalation, command injection (CWE-77), improper authorization, file upload, and race conditions (CWE-362) — detection logic should not be narrowed to buffer overflow alone ↗
- ·The advisory covers multiple CVEs under the same Bug IDs (CSCvz88279, CSCvz94704, CSCwa12732) — CVE-2022-20700 is one of several vulnerabilities; detections triggered may correspond to sibling CVEs in the same advisory ↗
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.010.0CRITICALAV:N/AC:L/Au:N/C:C/I:C/A:C
vulncheck10.0CRITICAL
cisa9.8CRITICAL
vendor_cisco10.0CRITICAL
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CISA
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
cisa·2022-03-03·CVSS 9.8
CVE-2022-20700 [CRITICAL] CWE-121 Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
Vulnerability: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
Affected: Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers
A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).
Required Action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2022-20700
Remediation Due Date: 2022-03-17
Cisco
Cisco Small Business RV Series Routers Vulnerabilities
vendor_cisco·2022-02-02·CVSS 10.0
CVE-2022-20699 [CRITICAL] CWE-121 Cisco Small Business RV Series Routers Vulnerabilities
Cisco Small Business RV Series Routers Vulnerabilities
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following:
Execute arbitrary code
Elevate privileges
Execute arbitrary commands
Bypass authentication and authorization protections
Fetch and run unsigned software
Cause denial of service (DoS)
For more information about these vulnerabilities, see the Details section of this advisory.
Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.
This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D
Cisco
Cisco Small Business RV Series Routers Vulnerabilities
vendor_cisco·CVSS 3.1
CVE-2022-20700 Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20700: Cisco Small Business RV Series Routers Vulnerabilities
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the
CVSS: 3.1
CWE: CWE-121, CWE-269, CWE-285, CWE-121, CWE-269, CWE-285, CWE-295, CWE-347, CWE-362, CWE-434, CWE-552, CWE-754, CWE-77, CWE-785, CWE-121, CWE-269, CWE-285, CWE-121, CWE-269, CWE-285, CWE-295, CWE-347, CWE-362, CWE-434, CWE-552, CWE-754, CWE-77, CWE-785
Bug IDs: CSCvz88279, CSCvz94704, CSCwa12732, CSCvz88279, CSCvz94704
GHSA
GHSA-4jrj-gxg8-2frj: Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Exe
ghsa_unreviewed·2022-02-11
CVE-2022-20700 [CRITICAL] CWE-121 GHSA-4jrj-gxg8-2frj: Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Exe
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
VulnCheck
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
vulncheck·2022·CVSS 10.0
CVE-2022-20700 [CRITICAL] CWE-121 Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).
Affected: Cisco RV Series Routers
Required Action: Apply updates per vendor instructions.
Exploitation References: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
Remediation Due: 2022-03-17
No detection rules found.
No public exploits indexed.
Tenable
Mind the Gap: A Closer Look at Eight Notable CVEs from 2022
blogs_tenable·2023-05-09
Mind the Gap: A Closer Look at Eight Notable CVEs from 2022
## Cloud Exposure
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## AI Exposure
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## Identity Exposure
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## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
Tenable
CVE-2022-20699, CVE-2022-20700, CVE-2022-20708: Critical Flaws in Cisco Small Business RV Series Routers
blogs_tenable·2022-02-03·CVSS 10.0
[CRITICAL] CVE-2022-20699, CVE-2022-20700, CVE-2022-20708: Critical Flaws in Cisco Small Business RV Series Routers
## Cloud Exposure
Tenable Cloud Security (CNAPP) Request a demo
Tenable Cloud Vulnerability Management Request a demo
Tenable CIEM Request a demo
Secure your cloud
## Vulnerability Exposure
Tenable Vulnerability Management Try for free
Tenable Security Center Request a demo
Tenable Web App Scanning Try for free
Tenable Patch Management Request a demo
Tenable Enclave Security Request a demo
Tenable Attack Surface Management Request a demo
Tenable Nessus Try for free
## AI Exposure
Tenable AI Exposure Request a demo
## OT/IoT Exposure
Tenable OT Security Request a demo
## Identity Exposure
Tenable Identity Exposure Request a demo
## Business needs
Active Directory
AI Security Posture Management (AI-SPM)
AWS security
Azure security
Cloud Security Posture Man
2022-02-10
Published
2022-03-03
Added to CISA KEV
Exploited in the wild