Strix
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CVE-2012-3950

UnknownEPSS 1.55%

Last modified

CVE-2012-3950 is a vulnerability of currently unknown severity. The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.

Metrics

EPSS Probability
1.55%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos12.3
CiscoIos12.3\(1a\)
CiscoIos12.3\(2\)ja
CiscoIos12.3\(2\)ja5
CiscoIos12.3\(2\)jk
CiscoIos12.3\(2\)jk1
CiscoIos12.3\(2\)t3
CiscoIos12.3\(2\)t8
CiscoIos12.3\(2\)xa4
CiscoIos12.3\(2\)xa5
CiscoIos12.3\(2\)xc1
CiscoIos12.3\(2\)xc2
CiscoIos12.3\(2\)xc3
CiscoIos12.3\(2\)xc4
CiscoIos12.3\(2\)xe3
CiscoIos12.3\(2\)xe4
CiscoIos12.3\(3e\)
CiscoIos12.3\(3h\)
CiscoIos12.3\(3i\)
CiscoIos12.3\(4\)eo1
CiscoIos12.3\(4\)ja
CiscoIos12.3\(4\)ja1
CiscoIos12.3\(4\)t
CiscoIos12.3\(4\)t1
CiscoIos12.3\(4\)t2
CiscoIos12.3\(4\)t3
CiscoIos12.3\(4\)t4
CiscoIos12.3\(4\)t8
CiscoIos12.3\(4\)tpc11a
CiscoIos12.3\(4\)xd
CiscoIos12.3\(4\)xd1
CiscoIos12.3\(4\)xd2
CiscoIos12.3\(4\)xe4
CiscoIos12.3\(4\)xg1
CiscoIos12.3\(4\)xg2
CiscoIos12.3\(4\)xg4
CiscoIos12.3\(4\)xg5
CiscoIos12.3\(4\)xh
CiscoIos12.3\(4\)xk
CiscoIos12.3\(4\)xk1
CiscoIos12.3\(4\)xk3
CiscoIos12.3\(4\)xk4
CiscoIos12.3\(4\)xq
CiscoIos12.3\(4\)xq1
CiscoIos12.3\(5\)
CiscoIos12.3\(5\)b1
CiscoIos12.3\(5a\)
CiscoIos12.3\(5a\)b
CiscoIos12.3\(5a\)b2
CiscoIos12.3\(5a\)b5

Showing 50 of 291 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-3950?
The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.
How severe is CVE-2012-3950?
Severity scoring for CVE-2012-3950 is pending analysis. The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.
How do I fix CVE-2012-3950?
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-2012-3950?

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

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Source: NVD / NIST