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CVE-2019-15987

Affected software6 products, listed below
Severity5.3 Medium CVSS 3.1 3 scores
WeaknessImproper authentication (CWE-287)
Published26 Nov 2019
Updated17 Jun 2026

Description

A vulnerability in web interface of the Cisco Webex Event Center, Cisco Webex Meeting Center, Cisco Webex Support Center, and Cisco Webex Training Center could allow an unauthenticated, remote attacker to guess account usernames. The vulnerability is due to missing CAPTCHA protection in certain URLs. An attacker could exploit this vulnerability by sending a crafted request to the web interface. A successful exploit could allow the attacker to know if a given username is valid and find the real name of the user.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 6 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 1.6% chance in 30 days

Waratek protection

Outside Waratek scope

A Java vulnerability, but not one Waratek protects. It affects only Java on a user's desktop (applets, Web Start, JavaFX, the installer), sits in a product the Waratek agent can't be installed into, or is in a package we don't expect in business applications. The decision below says which.

  • Protection none
  • Action not pursued none
  • Review automated Upstream data
  • Record active
Decided by The only affected product being a sealed appliance image, where Java runs but no -javaagent can be attached
Finding This CVE names only products the Waratek agent cannot be installed into (cisco/webex_meetings_server). They ship as sealed appliance images or as native code with no application JVM, so there is no start-up line to add -javaagent to. The vulnerability may well be a Java one; it is permanently out of ARMR's reach rather than outside its subject.

CVSS

5.3 MEDIUM v3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 3 metrics

We show the highest score from the newest CVSS version. Scores from different versions can't be compared, and the first score listed is sometimes a 0.0 placeholder.

VersionScoreBandVectorAssignerType
CVSS 3.1 5.3 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N NVD Primary published
CVSS 3.0 5.3 MEDIUM CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N psirt@cisco.com Secondary
CVSS 2.0 5.0 none AV:N/AC:L/Au:N/C:P/I:N/A:N NVD Primary

Affected software and releases

Products and versions

6 products, 6 version entries
SourceVendorProductSchemeAffected versions
nvd cisco webex event center generic any version
nvd cisco webex meeting center generic any version
nvd cisco webex meetings online generic 11.0.0
nvd cisco webex meetings server generic 4.0
nvd cisco webex support center generic any version
nvd cisco webex training center generic any version

References

URLTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-webex-centers-infodis Vendor Advisory

Timeline

Published2019-11-26By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.