CVE-2021-27770

HCL Sametime is vulnerable to arbitrary HTTP requests

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Published May 12, 2022 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed

Description

The vulnerability was discovered within the “FaviconService”. The service takes a base64-encoded URL which is then requested by the webserver. We assume this service is used by the “meetings”-function where users can specify an external URL where the online meeting will take place.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

HCL Software

Sametime

affected

Version	Status	Constraints
`11.6`	affected	—

Configuration 1 [-]

cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-14511	The vulnerability was discovered within the “FaviconService”. The service takes a base64-encoded URL which is then requested by the webserver. We assume this service is used by the “meetings”-function where users can specify an external URL where the online meeting will take place.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.736% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430

History

No history.

Subscriptions

Hcltech Sametime

Weaknesses

Sources

CVE record Updated: Sep 16, 2024, 8:02 PM

Status: PUBLISHED
Assigner: HCL
Published: May 12, 2022, 9:25 PM
Updated: Sep 16, 2024, 8:02 PM
Reserved: Feb 26, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:45 AM

Status: Modified
Published: May 12, 2022, 10:15 PM
Modified: Jun 17, 2026, 3:45 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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