VDB-187388 · CVE-2021-20847 · GCVE-0-2021-20847

Nttdocomo Wi-Fi STATION SH-52A up to 38JP_2_03C Web UI 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Nttdocomo Wi-Fi STATION SH-52A up to 38JP_2_03C. This vulnerability affects unknown code of the component Web UI. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2021-20847. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Nttdocomo Wi-Fi STATION SH-52A up to 38JP_2_03C. It has been rated as problematic. Affected by this issue is an unknown code block of the component Web UI. 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 presented 12/01/2021. The advisory is shared for download at jvn.jp. This vulnerability is handled as CVE-2021-20847 since 12/17/2020. 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.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at nttdocomo.co.jp.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Nttdocomo

Name

Wi-Fi STATION SH-52A

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: nttdocomo.co.jp

Timelineinfo

12/17/2020 🔍
12/01/2021 +349 days 🔍
12/01/2021 +0 days 🔍
12/04/2021 +3 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20847 (🔍)
GCVE (CVE): GCVE-0-2021-20847
GCVE (VulDB): GCVE-100-187388

Entryinfo

Created: 12/01/2021 09:12
Updated: 12/04/2021 17:06
Changes: 12/01/2021 09:12 (40), 12/04/2021 16:58 (1), 12/04/2021 17:06 (18)
Complete: 🔍
Cache ID: 216::103