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CVE-2017-12372

Affected software2 products, listed below
Severity9.6 Critical CVSS 3.0 2 scores
WeaknessBuffer errors (CWE-119)
Published30 Nov 2017
Updated17 Jun 2026

Description

A "Cisco WebEx Network Recording Player Remote Code Execution Vulnerability" exists in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. A remote attacker could exploit this by providing a user with a malicious ARF or WRF file via email or URL and convincing the user to launch the file. Exploitation of this could cause an affected player to crash and, in some cases, could allow arbitrary code execution on the system of a targeted user. Cisco Bug IDs: CSCvf57234, CSCvg54868, CSCvg54870.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. Published 8 years ago.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment no assessment published
  • Indexed PoC none indexed
  • EPSS 3.0% 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

9.6 CRITICAL v3.0 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H 2 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 3.0 9.6 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H NVD Primary published
CVSS 2.0 6.8 none AV:N/AC:M/Au:N/C:P/I:P/A:P NVD Primary

Affected software and releases

Products and versions

2 products, 5 version entries
SourceVendorProductSchemeAffected versions
nvd cisco webex meetings generic t29 · t30 · t31.11.2
nvd cisco webex meetings server generic 2.6 · 2.7

References

URLTags
http://www.securityfocus.com/bid/102017 Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039895 Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players Vendor Advisory

Timeline

Published2017-11-30By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.