HCL Sametime Proxy/Web Chat Client FaviconService access control

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
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.
6.4$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in HCL Sametime Proxy and Web Chat Client. This impacts an unknown function of the component FaviconService. Such manipulation leads to access control. This vulnerability is documented as CVE-2021-27770. The attack can be executed remotely. There is not any exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in HCL Sametime Proxy and Web Chat Client (Firewall Software) (unknown version). It has been rated as critical. Affected by this issue is an unknown code block of the component FaviconService. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/13/2022 as KB0097430. The advisory is shared for download at support.hcltechsw.com. This vulnerability is handled as CVE-2021-27770 since 02/26/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (HCL Software): 🔍

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/26/2021 🔍
05/13/2022 +440 days 🔍
05/13/2022 +0 days 🔍
05/15/2022 +2 days 🔍

Sourcesinfo

Advisory: KB0097430
Status: Confirmed

CVE: CVE-2021-27770 (🔍)
GCVE (CVE): GCVE-0-2021-27770
GCVE (VulDB): GCVE-100-199736

Entryinfo

Created: 05/13/2022 08:54
Updated: 05/15/2022 12:46
Changes: 05/13/2022 08:54 (49), 05/15/2022 12:38 (1), 05/15/2022 12:46 (1)
Complete: 🔍
Cache ID: 216::103

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