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CVE-2018-0103

Affected software4 products, listed below
Severity7.8 High CVSS 3.0 2 scores
WeaknessBuffer errors (CWE-119)
Published4 Jan 2018
Updated17 Jun 2026

Description

A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (ARF) files could allow a local attacker to execute arbitrary code on the system of a user. The attacker could exploit this vulnerability by sending the user a link or email attachment with a malicious ARF file and persuading the user to follow the link or launch the file. Successful exploitation could allow the attacker to execute arbitrary code on the user's system. This vulnerability affects Cisco WebEx Business Suite meeting sites, Cisco WebEx Meetings sites, Cisco WebEx Meetings Server, and Cisco WebEx ARF players. Cisco Bug IDs: CSCvg78835, CSCvg78837, CSCvg78839.

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 exploitation: none
  • Indexed PoC none indexed
  • EPSS 1.7% 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

7.8 HIGH v3.0 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/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 7.8 HIGH CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H NVD Primary published
CVSS 2.0 9.3 none AV:N/AC:M/Au:N/C:C/I:C/A:C NVD Primary

Affected software and releases

Products and versions

4 products, 4 version entries
SourceVendorProductSchemeAffected versions
nvd cisco webex business suite generic any version
nvd cisco webex meetings generic any version
nvd cisco webex meetings server generic any version
nvd cisco webex network recording player generic any version

References

URLTags
http://www.securityfocus.com/bid/102369 Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180103-wnrp Mitigation, Vendor Advisory

Timeline

Published2018-01-04By the CVE Program.
NVD record modified2026-06-17NVD's own last-modified date for this record.