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CVE-2009-2049

UnknownEPSS 2.44%

Last modified

CVE-2009-2049 is a vulnerability of currently unknown severity. Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.. EPSS estimates a 2.44% chance of exploitation in the next 30 days.

Description

Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.

Metrics

EPSS Probability
2.44%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoIos12.0\(32\)s12
CiscoIos12.0\(32\)s13
CiscoIos12.0\(32\)sy8
CiscoIos12.0\(32\)sy9
CiscoIos12.0\(33\)s3
CiscoIos12.0\(33\)s4
CiscoIos12.2\(33\)sxi1
CiscoIos12.2\(33\)sxi2
CiscoIos12.2xnc
CiscoIos12.2xnd
CiscoIos12.4\(24\)t1
CiscoIos Xe2.3
CiscoIos Xe2.3.1t
CiscoIos Xe2.4
CiscoIos Xe2.4.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-2049?
Cisco IOS 12.0(32)S12 through 12.0(32)S13 and 12.0(33)S3 through 12.0(33)S4, 12.0(32)SY8 through 12.0(32)SY9, 12.2(33)SXI1 through 12.2(33)SXI2, 12.2XNC before 12.2(33)XNC2, 12.2XND before 12.2(33)XND1, and 12.4(24)T1; and IOS XE 2.3 through 2.3.1t and 2.4 through 2.4.0; when RFC4893 BGP routing is enabled, allows remote attackers to cause a denial of service (device reload) by using an RFC4271 peer to send a malformed update, aka Bug ID CSCta33973.
How severe is CVE-2009-2049?
Severity scoring for CVE-2009-2049 is pending analysis. The EPSS model estimates a 2.44% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2049?
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.

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Source: NVD / NIST