CVE-2012-3915

CVE-2012-3915 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 5.0. 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

Description

The DMVPN tunnel implementation in Cisco IOS 15.2 allows remote attackers to cause a denial of service (persistent IKE state) via a large volume of hub-to-spoke traffic, aka Bug ID CSCtq39602.

Frequently asked questions

What is CVE-2012-3915?
The DMVPN tunnel implementation in Cisco IOS 15.2 allows remote attackers to cause a denial of service (persistent IKE state) via a large volume of hub-to-spoke traffic, aka Bug ID CSCtq39602.
How severe is CVE-2012-3915?
CVE-2012-3915 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-3915 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3915?
CVE-2012-3915 affects Cisco Ios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-3915?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-3915 published?
CVE-2012-3915 was published on 2012-09-16 and last updated on 2026-06-16.

References

Affected products (1)

More vulnerabilities in Cisco Ios

All CVEs affecting Cisco Ios →

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →