CVE-2019-19866

7.5 highEPSS 1.9%

High (7.5) in atos unify openscape uc web client. EPSS 1.9% chance of exploitation in the next 30 days.

Atos Unify OpenScape UC Web Client V9 before version V9 R4.31.0 and V10 before version V10 R0.6.0 allows remote attackers to obtain sensitive information. By iterating the value of conferenceId to getMailFunction in the JSON API, one can enumerate all conferences scheduled on the platform, with their numbers and access PINs.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 79% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2020-02-21
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atos:unify_openscape_uc_web_client

References

https://networks.unify.com/security/advisories/OBSO-2002-01.pdf
https://unify.com/en/support/security-advisories
https://networks.unify.com/security/advisories/OBSO-2002-01.pdf
https://unify.com/en/support/security-advisories

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