VDB-192847 · CVE-2022-20749 · GCVE-0-2022-20749

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-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345. The affected element is an unknown function. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2022-20749. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 (the affected version is unknown) and classified as very critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 02/10/2022 as cisco-sa-smb-mult-vuln-KA9PK6D. It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2022-20749 since 11/02/2021. The technical details are unknown and an exploit is not publicly available. The pricing 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

Cisco

Name

License

commercial

Website

Vendor: https://www.cisco.com/

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2022-20749 (🔍)
GCVE (CVE): GCVE-0-2022-20749
GCVE (VulDB): GCVE-100-192847

Entryinfo

Created: 02/10/2022 21:37
Updated: 02/14/2022 15:01
Changes: 02/10/2022 21:37 (47), 02/14/2022 15:01 (1)
Complete: 🔍
Cache ID: 216::103