ZyXEL ZyWALL 2 Plus Internet Security Appliance URI 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 (≈)
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in ZyXEL ZyWALL 2 Plus Internet Security Appliance. This vulnerability affects unknown code of the component URI Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2021-46387. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in ZyXEL ZyWALL 2 Plus Internet Security Appliance (Firewall Software) (affected version not known). It has been rated as problematic. This issue affects some unknown functionality of the component URI Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. 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 weakness was released 03/01/2022. The advisory is shared at drive.google.com. The identification of this vulnerability is CVE-2021-46387 since 01/18/2022. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (50797). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/18/2022 🔍
03/01/2022 +42 days 🔍
03/01/2022 +0 days 🔍
05/01/2025 +1157 days 🔍

Sourcesinfo

Vendor: zyxel.com

Advisory: 166189
Status: Not defined

CVE: CVE-2021-46387 (🔍)
GCVE (CVE): GCVE-0-2021-46387
GCVE (VulDB): GCVE-100-194021
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/01/2022 18:36
Updated: 05/01/2025 16:48
Changes: 03/01/2022 18:36 (37), 03/04/2022 09:34 (2), 12/04/2024 11:25 (25), 05/01/2025 16:48 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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