Is CVE-2012-3056 in the CISA KEV catalog?

No. CVE-2012-3056 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-3056?

CVE-2012-3056 has a CVSS v2 base score of 9.3 (HIGH).

What is the EPSS score for CVE-2012-3056?

CVE-2012-3056 has an EPSS score of 3.12% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2012-3056?

Upgrade Webex Recorder and Player to 27.25.11 or later.

CVE & CISA-KEV Catalog

CVE-2012-3056

HIGHEPSS 86th pctl

9.3

CVSS v2

NVD

Description

Buffer overflow in the Cisco WebEx Recording Format (WRF) player T27 L through SP11 EP26, T27 LB through SP21 EP10, T27 LC before SP25 EP11, T27 LD before SP32 CP2, and T28 L10N before SP1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted WRF file, aka Bug ID CSCtz72946.

CWE-119Buffer Overflow

How to fix

Remediation Available

Webex Recorder and PlayerWindows application

Affected:27.25.0 27.25.11Fixed in:27.25.11Cisco Webex LLC

Affected:27.32.0 27.32.2Fixed in:27.32.2Cisco Webex LLC

Affected:28.0.0 28.0.1Fixed in:28.0.1Cisco Webex LLC

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.12%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1

tools.cisco.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.