CVE-2015-6429

UnknownEPSS 1.74%

Last modified

CVE-2015-6429 is a vulnerability of currently unknown severity. The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.

Metrics

EPSS Probability
1.74%

74.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.4\(3\)s
CiscoIos15.5\(1\)s
CiscoIos15.5\(1\)t
CiscoIos15.5\(2\)s
CiscoIos15.5\(2\)t
CiscoIos15.5\(3\)m
CiscoIos15.5\(3\)m1
CiscoIos15.5\(3\)s
CiscoIos15.5\(3\)s1
CiscoIos15.6\(0.17\)t
CiscoIos15.6\(1\)t0a
CiscoIos Xe3.15s.0
CiscoIos Xe3.15s.1
CiscoIos Xe3.15s.2
CiscoIos Xe3.16s.0
CiscoIos Xe3.16s.1
CiscoIos Xe3.17s.0
CiscoIos Xe3.17s.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2015-6429?
The IKEv1 state machine in Cisco IOS 15.4 through 15.6 and IOS XE 3.15 through 3.17 allows remote attackers to cause a denial of service (IPsec connection termination) via a crafted IKEv1 packet to a tunnel endpoint, aka Bug ID CSCuw08236.
How severe is CVE-2015-6429?
Severity scoring for CVE-2015-6429 is pending analysis. The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.
How do I fix CVE-2015-6429?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-6429?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST