CVE-2022-20711
published 2022-02-10CVE-2022-20711: Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute…
PriorityP265critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
4.92%
91.1th 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
6 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | cisco_small_business_rv_series_router_firmware | — | — |
| 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-2022-20711 affects Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers; detection should focus on exploitation attempts against these device families ↗
- →Monitor for unsigned software fetch-and-run activity on affected Cisco RV series routers, consistent with CWE-347 (Improper Verification of Cryptographic Signature) ↗
- →Monitor for authentication/authorization bypass attempts on affected devices, consistent with CWE-285 (Improper Authorization) ↗
- →Track Cisco Bug IDs CSCvz88279, CSCvz94704, CSCwa12732 for patch status and vendor advisories related to this CVE cluster ↗
- ·This CVE is part of a broader advisory (cisco-sa-smb-mult-vuln-KA9PK6D) covering multiple CWEs including stack buffer overflow (CWE-121), privilege escalation (CWE-269), improper authorization (CWE-285), certificate validation (CWE-295), signature verification (CWE-347), race condition (CWE-362), unrestricted file upload (CWE-434), file exposure (CWE-552), improper check for unusual conditions (CWE-754), command injection (CWE-77), and buffer access without size check (CWE-785); detections should be scoped accordingly ↗
- ·CVSS base score is 3.1 per the advisory; operational severity may differ depending on chaining with other vulnerabilities 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
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
vendor_cisco10.0CRITICAL
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
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-2022-20711 Cisco Small Business RV Series Routers Vulnerabilities
CVE-2022-20711: 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-93p4-f6c6-whg8: 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-2022-20711 [CRITICAL] CWE-787 GHSA-93p4-f6c6-whg8: 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.
No detection rules found.
No public exploits indexed.
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6Dhttps://www.zerodayinitiative.com/advisories/ZDI-22-416/https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6Dhttps://www.zerodayinitiative.com/advisories/ZDI-22-416/
2022-02-10
Published