Cisco Small Business RV345 buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 and classified as critical. This affects an unknown function. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2022-20841. The attack is possible to be carried out remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 (the affected version unknown). It has been rated as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

The weakness was disclosed 08/10/2022 as cisco-sa-sb-mult-vuln-CbVp4SUR. It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2022-20841 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 09/04/2022).

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: 8.7
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.1
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.0
NVD Vector: 🔍

CNA Base Score: 9.0
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: Buffer overflow
CWE: CWE-120 / 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 🔍
08/10/2022 +280 days 🔍
08/10/2022 +0 days 🔍
09/04/2022 +25 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-sb-mult-vuln-CbVp4SUR
Status: Confirmed

CVE: CVE-2022-20841 (🔍)
GCVE (CVE): GCVE-0-2022-20841
GCVE (VulDB): GCVE-100-206027

Entryinfo

Created: 08/10/2022 13:10
Updated: 09/04/2022 10:02
Changes: 08/10/2022 13:10 (48), 09/04/2022 10:02 (11)
Complete: 🔍
Cache ID: 216::103

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