Information disclosure in Cisco Webex Training Center

CVE-2013-6973

Cisco WebEx Training Center allows remote attackers to discover registration IDs via a crafted URL, aka Bug ID CSCul57121.

Vulnerability class: Information Disclosure

Published 2013-12-14 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.022 (82.4th percentile), scored 2026-10-23.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Cisco Webex Training Center

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6973 (vendor-advisory, Vendor Advisory)
www.securityfocus.com/bid/64286 (vdb-entry)
www.securitytracker.com/id/1029492 (VDB Entry, Third Party Advisory, vdb-entry)
tools.cisco.com/security/center/viewAlert.x (Vendor Advisory)
osvdb.org/100915 (vdb-entry)
exchange.xforce.ibmcloud.com/vulnerabilities/89651 (vdb-entry)