VDB-185988 · CVE-2021-43324 · GCVE-0-2021-43324

LibreNMS up to 21.10.2 Widget Title 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.
4.7	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in LibreNMS up to 21.10.2. Affected by this vulnerability is an unknown functionality of the component Widget Title Handler. The manipulation results in cross site scripting. This vulnerability was named CVE-2021-43324. The attack may be performed from remote. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in LibreNMS up to 21.10.2. Affected is an unknown code block of the component Widget Title Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity.

The weakness was presented 11/03/2021 as 99d2462b80435b91a35236639b909eebee432126. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-43324 since 11/03/2021. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Applying the patch 99d2462b80435b91a35236639b909eebee432126 is able to eliminate this problem. The bugfix is ready for download at github.com.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

LibreNMS

Version

License

open-source

Website

Product: https://github.com/librenms/librenms/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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

Class: Cross site scripting
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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 99d2462b80435b91a35236639b909eebee432126

Timelineinfo

11/03/2021 🔍
11/03/2021 +0 days 🔍
11/03/2021 +0 days 🔍
11/06/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 99d2462b80435b91a35236639b909eebee432126
Status: Confirmed

CVE: CVE-2021-43324 (🔍)
GCVE (CVE): GCVE-0-2021-43324
GCVE (VulDB): GCVE-100-185988

Entryinfo

Created: 11/03/2021 17:28
Updated: 11/06/2021 21:34
Changes: 11/03/2021 17:28 (40), 11/06/2021 21:24 (1), 11/06/2021 21:34 (18)
Complete: 🔍
Cache ID: 216::103