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CVE-2011-0945

UnknownEPSS 1.77%

Last modified

CVE-2011-0945 is a vulnerability of currently unknown severity. Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.

Metrics

EPSS Probability
1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos12.1
CiscoIos12.1t
CiscoIos12.1xi
CiscoIos12.1xj
CiscoIos12.1xl
CiscoIos12.1xm
CiscoIos12.1xp
CiscoIos12.1xq
CiscoIos12.1xr
CiscoIos12.1xs
CiscoIos12.1xt
CiscoIos12.1xu
CiscoIos12.1xv
CiscoIos12.1xy
CiscoIos12.1ya
CiscoIos12.1yb
CiscoIos12.1yc
CiscoIos12.1yd
CiscoIos12.1ye
CiscoIos12.1yf
CiscoIos12.1yh
CiscoIos12.1yi
CiscoIos12.2b
CiscoIos12.2bw
CiscoIos12.2bx
CiscoIos12.2by
CiscoIos12.2cz
CiscoIos12.2dd
CiscoIos12.2dx
CiscoIos12.2ex
CiscoIos12.2ira
CiscoIos12.2irb
CiscoIos12.2irc
CiscoIos12.2ird
CiscoIos12.2ire
CiscoIos12.2ixa
CiscoIos12.2ixb
CiscoIos12.2ixc
CiscoIos12.2ixd
CiscoIos12.2ixe
CiscoIos12.2ixf
CiscoIos12.2ixg
CiscoIos12.2ixh
CiscoIos12.2mra
CiscoIos12.2mrb
CiscoIos12.2sbc
CiscoIos12.2sca
CiscoIos12.2scb
CiscoIos12.2scc
CiscoIos12.2scd

Showing 50 of 195 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-0945?
Memory leak in the Data-link switching (aka DLSw) feature in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xS before 3.1.3S and 3.2.xS before 3.2.1S, when implemented over Fast Sequence Transport (FST), allows remote attackers to cause a denial of service (memory consumption and device reload or hang) via a crafted IP protocol 91 packet, aka Bug ID CSCth69364.
How severe is CVE-2011-0945?
Severity scoring for CVE-2011-0945 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2011-0945?
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.

How Strix Helps

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Source: NVD / NIST