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CVE-2017-12370

24
FAUCET Score

CVE-2017-12370 is a critical remote code execution vulnerability affecting Cisco WebEx Network Recording Player when processing Advanced Recording Format (ARF) and WebEx Recording Format (WRF) files. An attacker can exploit this by tricking a user into opening a malicious ARF or WRF file, leading to application crashes or arbitrary code execution. With a CVSS score of 9.6, it presents a high-severity risk due to its network-based attack vector and low attack complexity. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
t30CPE matchmatch criteria
cpe:2.3:a:cisco:webex_meetings:t30:*:*:*:*:*:*:*
t31CPE matchmatch criteria
cpe:2.3:a:cisco:webex_meetings:t31:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.6CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.98%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0298 is in the 90th percentile among its peer group of 836 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.8 Bluesky, 0.5 Mastodon, and 1.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20171129-webex-players
Vendor Advisory
securityfocus.com / bid/102017
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039895
Third Party AdvisoryVDB Entry