How severe is CVE-2012-3939?

CVE-2012-3939 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-3939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3939?

CVE-2012-3939 primarily affects Cisco Webex Recording Format Player. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-3939?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-3939 published?

CVE-2012-3939 was published on 2012-10-25 and last updated on 2026-06-16.

CVE-2012-3939

CVE-2012-3939 is a critical-severity vulnerability in Cisco Webex Recording Format Player with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Cisco Webex Recording Format Player
Published: 2012-10-25
Last modified: 2026-06-16

Description

Buffer overflow in the Cisco WebEx Recording Format (WRF) player T27 before LD SP32 EP10 and T28 before T28.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted WRF file, aka Bug ID CSCua61331.

Frequently asked questions

What is CVE-2012-3939?: Buffer overflow in the Cisco WebEx Recording Format (WRF) player T27 before LD SP32 EP10 and T28 before T28.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted WRF file, aka Bug ID CSCua61331.
How severe is CVE-2012-3939?: CVE-2012-3939 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-3939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3939?: CVE-2012-3939 primarily affects Cisco Webex Recording Format Player. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-3939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-3939 published?: CVE-2012-3939 was published on 2012-10-25 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:a:cisco:webex_recording_format_player:27.11.26:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_recording_format_player:27.21.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_recording_format_player:27.25.10:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_recording_format_player:27.32.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:webex_recording_format_player:28.0.0:*:*:*:*:*:*:*

More vulnerabilities in Cisco Webex Recording Format Player

CVE-2014-2136 — Critical (CVSS 9.3): Buffer overflow in Cisco Advanced Recording Format (ARF) player T27 LD before SP32 EP16, T28 before T28.12, and T29…
CVE-2014-2135 — Critical (CVSS 9.3): Buffer overflow in Cisco Advanced Recording Format (ARF) player T27 LD before SP32 EP16, T28 before T28.12, and T29…
CVE-2014-2134 — Critical (CVSS 9.3): Heap-based buffer overflow in Cisco WebEx Recording Format (WRF) player T27 LD before SP32 EP16, T28 before T28.12, and…
CVE-2014-2133 — Critical (CVSS 9.3): Buffer overflow in Cisco Advanced Recording Format (ARF) player T27 LD before SP32 EP16, T28 before T28.12, and T29…
CVE-2013-1119 — Critical (CVSS 9.3): Buffer overflow in Cisco WebEx Recording Format (WRF) player T27 LD before SP32 EP16, T27 L10N before SP32_ORION111,…
CVE-2013-1118 — Critical (CVSS 9.3): Stack-based buffer overflow in Cisco WebEx Recording Format (WRF) player T27 LD before SP32 EP16, T27 L10N before…

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