Is CVE-2013-6968 being actively exploited?

CVE-2013-6968 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6968?

CVE-2013-6968 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-6968

MEDIUM · CVSS 5.0EPSS 2.5%EU EUVD

Cisco WebEx Training Center provides different error messages for registration attempts depending on whether the e-mail address exists, which allows remote attackers to enumerate attendees via a series of requests, aka Bug ID CSCul36003.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 2.5% (85th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-6769)
Published: December 14, 2013
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-6769 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

cisco / webex training center

References

http://osvdb.org/100913
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-6968(Vendor Advisory)
http://tools.cisco.com/security/center/viewAlert.x?alertId=32147(Vendor Advisory)
http://www.securitytracker.com/id/1029492(Third Party Advisory, VDB Entry)
https://exchange.xforce.ibmcloud.com/vulnerabilities/89688

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain