Cisco Small Business RV Series Router Web-based Management Interface deserialization

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cisco Small Business RV Series Router. The impacted element is an unknown function of the component Web-based Management Interface. This manipulation causes deserialization. The identification of this vulnerability is CVE-2019-15271. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Small Business RV Series Router (Router Operating System) (affected version unknown). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Web-based Management Interface. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.

The weakness was shared 11/26/2019 as cisco-sa-20191106-sbrv-cmd-x as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2019-15271 since 08/20/2019. The attack can be launched remotely. The successful exploitation needs a single authentication. Technical details are unknown but an exploit is available.

It is declared as attacked. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 06/08/2022 with a due date of 06/22/2022:

Apply updates per vendor instructions.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

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

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

08/20/2019 🔍
11/26/2019 +98 days 🔍
11/26/2019 +0 days 🔍
02/24/2025 +1917 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20191106-sbrv-cmd-x
Status: Confirmed

CVE: CVE-2019-15271 (🔍)
GCVE (CVE): GCVE-0-2019-15271
GCVE (VulDB): GCVE-100-146329
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 11/26/2019 09:38
Updated: 02/24/2025 20:31
Changes: 11/26/2019 09:38 (39), 11/26/2019 09:43 (12), 02/28/2024 07:27 (19), 04/27/2024 07:09 (25), 09/09/2024 22:30 (1), 02/24/2025 20:31 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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