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.
9.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345. The impacted element is an unknown function. Performing a manipulation results in stack-based overflow. This vulnerability is reported as CVE-2022-20703. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 (affected version unknown). This affects an unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/10/2022 as cisco-sa-smb-mult-vuln-KA9PK6D. The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2022-20703 since 11/02/2021. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/18/2024).

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/03/2022 with a due date of 03/17/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

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

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.1

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

NVD Base Score: 8.0
NVD Vector: 🔍

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

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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 🔍
09/18/2024 +951 days 🔍

Sourcesinfo

Vendor: cisco.com

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

CVE: CVE-2022-20703 (🔍)
GCVE (CVE): GCVE-0-2022-20703
GCVE (VulDB): GCVE-100-192837
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/10/2022 21:34
Updated: 09/18/2024 05:29
Changes: 02/10/2022 21:34 (47), 02/14/2022 14:30 (1), 04/23/2024 20:26 (26), 07/24/2024 16:08 (19), 09/18/2024 05:29 (1)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!