VulnerabilityModified
CVE-2021-27770
The vulnerability was discovered within the “FaviconService”.
HIGH 8.8EPSS 0.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.72% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-472
- Affected
- hcltech/sametime
- Source
- psirt@hcl.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.