CVE-2021-27770
HCL Sametime is vulnerable to arbitrary HTTP requests
HIGH
8.8
CVSS Score
Published: May 12, 2022 at 09:25 PM UTC
Updated: June 17, 2026 at 03:45 AM UTC
1 product affected across 1 vendorSametime
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Severity
HIGH8.8
Exploit prediction
EPSS 0.7%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-472NVD-CWE-Other
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