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CVE-2011-3273

UnknownEPSS 1.77%

Last modified

CVE-2011-3273 is a vulnerability of currently unknown severity. Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.

Description

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

Metrics

EPSS Probability
1.77%

75.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos15.0
CiscoIos15.0m
CiscoIos15.0sg
CiscoIos15.0xa
CiscoIos15.0xo
CiscoIos15.1
CiscoIos15.1gc
CiscoIos15.1m
CiscoIos15.1s
CiscoIos15.1t
CiscoIos15.1xb

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2011-3273?
Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.
How severe is CVE-2011-3273?
Severity scoring for CVE-2011-3273 is pending analysis. The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2011-3273?
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-2011-3273?

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

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Source: NVD / NIST