Cisco Small Business RV345 stack-based overflow

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.7$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345. This issue affects some unknown processing. The manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2022-20711. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 (affected version not known). This issue affects some unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability.

The weakness was published 02/10/2022 as cisco-sa-smb-mult-vuln-KA9PK6D. The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2022-20711 since 11/02/2021. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/10/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 10.0
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/02/2021 🔍
02/10/2022 +100 days 🔍
02/10/2022 +0 days 🔍
02/14/2022 +4 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-smb-mult-vuln-KA9PK6D
Status: Confirmed

CVE: CVE-2022-20711 (🔍)
GCVE (CVE): GCVE-0-2022-20711
GCVE (VulDB): GCVE-100-192845

Entryinfo

Created: 02/10/2022 21:37
Updated: 02/14/2022 14:57
Changes: 02/10/2022 21:37 (47), 02/14/2022 14:57 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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