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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9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 and classified as critical. This impacts an unknown function. The manipulation results in buffer overflow. This vulnerability was named CVE-2022-20842. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Cisco Small Business RV160, Small Business RV260, Small Business RV340 and Small Business RV345 (the affected version is unknown). Affected is an unknown code. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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 presented 08/10/2022 as cisco-sa-sb-mult-vuln-CbVp4SUR. The advisory is shared for download at tools.cisco.com. This vulnerability is traded as CVE-2022-20842 since 11/02/2021. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (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: 9.5
VulDB Meta Temp Score: 9.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 9.0
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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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-2022-20842 (🔍)
GCVE (CVE): GCVE-0-2022-20842
GCVE (VulDB): GCVE-100-206028

Entryinfo

Created: 08/10/2022 13:13
Updated: 09/04/2022 10:05
Changes: 08/10/2022 13:13 (38), 09/04/2022 10:05 (20)
Complete: 🔍
Cache ID: 216::103

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