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CVE-2012-3939

29
FAUCET Score

CVE-2012-3939 describes a buffer overflow vulnerability in the Cisco WebEx Recording Format (WRF) player, affecting versions T27 before LD SP32 EP10 and T28 before T28.4. This critical vulnerability, with a CVSS score of 9.3, allows unauthenticated remote attackers to execute arbitrary code or cause a denial of service by tricking a user into opening a specially crafted WRF file. While the potential impact is severe (complete compromise of confidentiality, integrity, and availability), there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
27.11.26CPE matchmatch criteria
cpe:2.3:a:cisco:webex_recording_format_player:27.11.26:*:*:*:*:*:*:*
27.21.10CPE matchmatch criteria
cpe:2.3:a:cisco:webex_recording_format_player:27.21.10:*:*:*:*:*:*:*
27.25.10CPE matchmatch criteria
cpe:2.3:a:cisco:webex_recording_format_player:27.25.10:*:*:*:*:*:*:*
27.32.1CPE matchmatch criteria
cpe:2.3:a:cisco:webex_recording_format_player:27.32.1:*:*:*:*:*:*:*
28.0.0CPE matchmatch criteria
cpe:2.3:a:cisco:webex_recording_format_player:28.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.16%
Probability of exploitation in next 30 days
EPSS Percentile
91.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0515 is in the 60th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

ciscopatch availablevia nvd_reference
View patch

References

osvdb.org / 86138
tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-webex
PatchVendor Advisory
securityfocus.com / bid/55866
securitytracker.com / id