CVE-2012-3918
CVE-2012-3918 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.3)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Ios
- Published:
- Last modified:
Description
Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.
Frequently asked questions
- What is CVE-2012-3918?
- Cisco IOS before 15.3(1)T on Cisco 2900 devices, when a VWIC2-2MFT-T1/E1 card is configured for TDM/HDLC mode, allows remote attackers to cause a denial of service (serial-interface outage) via certain Frame Relay traffic, aka Bug ID CSCub13317.
- How severe is CVE-2012-3918?
- CVE-2012-3918 has a CVSS 2.0 base score of 4.3, rated medium severity.
- Is CVE-2012-3918 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-3918?
- CVE-2012-3918 primarily affects Cisco Ios. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-3918?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-3918 published?
- CVE-2012-3918 was published on 2014-04-23 and last updated on 2026-06-16.
References
Affected products (12)
- cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(2\)s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)m:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)m1:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3\(3\)s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios:15.3s:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2900:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2900:lre_xl:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2900:xl:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2900_vlan:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:catalyst_2900xl:*:*:*:*:*:*:*:*
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