VDB-133055 · CVE-2019-1827 · BID 107776

Cisco Small Business RV320/Small Business RV325 up to 1.4.2 Online Help Web Service Reflected cross site scripting

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Cisco Small Business RV320 and Small Business RV325 up to 1.4.2. Affected is an unknown function of the component Online Help Web Service. The manipulation leads to cross site scripting (Reflected). This vulnerability is referenced as CVE-2019-1827. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco Small Business RV320 and Small Business RV325 up to 1.4.2. It has been rated as problematic. This issue affects some unknown processing of the component Online Help Web Service. The manipulation with an unknown input leads to a cross site scripting vulnerability (Reflected). Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

A vulnerability in the Online Help web service of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the service. The vulnerability exists because the Online Help web service of an affected device insufficiently validates user-supplied input. An attacker could exploit this vulnerability by persuading a user of the service to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected service or access sensitive browser-based information.This vulnerability affects Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers running firmware releases prior to 1.4.2.22.

The bug was discovered 04/04/2019. The weakness was published 04/04/2019 as cisco-sa-20190404-rv-xss as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2019-1827 since 12/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading to version 1.4.2.22 eliminates this vulnerability.

Similar entry is available at VDB-133056. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Cisco

Name

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 6.1
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Reflected
Class: Cross site scripting / Reflected
CWE: CWE-79 / CWE-94 / CWE-74
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: 🔍

Upgrade: Small Business RV320/Small Business RV325 1.4.2.22

Timelineinfo

12/06/2018 🔍
04/04/2019 +119 days 🔍
04/04/2019 +0 days 🔍
04/05/2019 +1 days 🔍
08/27/2023 +1605 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190404-rv-xss
Status: Confirmed

CVE: CVE-2019-1827 (🔍)
GCVE (CVE): GCVE-0-2019-1827
GCVE (VulDB): GCVE-100-133055
SecurityFocus: 107776

See also: 🔍

Entryinfo

Created: 04/05/2019 09:04
Updated: 08/27/2023 06:35
Changes: 04/05/2019 09:04 (60), 05/25/2020 17:37 (1), 08/27/2023 06:22 (4), 08/27/2023 06:35 (12)
Complete: 🔍
Cache ID: 216::103