CVE-2013-1164
CVE-2013-1164 is a high-severity vulnerability in Cisco Ios Xe with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 2.0 base score 7.8)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Cisco Ios Xe
- Published:
- Last modified:
Description
Cisco IOS XE 3.4 before 3.4.4S, 3.5, and 3.6 on 1000 series Aggregation Services Routers (ASR) does not properly implement the Cisco Multicast Leaf Recycle Elimination (MLRE) feature, which allows remote attackers to cause a denial of service (card reload) via fragmented IPv6 multicast packets, aka Bug ID CSCtz97563.
Frequently asked questions
- What is CVE-2013-1164?
- Cisco IOS XE 3.4 before 3.4.4S, 3.5, and 3.6 on 1000 series Aggregation Services Routers (ASR) does not properly implement the Cisco Multicast Leaf Recycle Elimination (MLRE) feature, which allows remote attackers to cause a denial of service (card reload) via fragmented IPv6 multicast packets, aka Bug ID CSCtz97563.
- How severe is CVE-2013-1164?
- CVE-2013-1164 has a CVSS 2.0 base score of 7.8, rated high severity.
- Is CVE-2013-1164 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-1164?
- CVE-2013-1164 primarily affects Cisco Ios Xe. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-1164?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2013-1164 published?
- CVE-2013-1164 was published on 2013-04-11 and last updated on 2026-06-16.
References
Affected products (13)
- cpe:2.3:o:cisco:ios_xe:3.4.0as:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.4.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.4.1s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.4.2s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.4.3s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.5.0s:*:*:*:*:*:*:*
- cpe:2.3:o:cisco:ios_xe:3.6.0s:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1001:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1002:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1002-x:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1004:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1006:-:*:*:*:*:*:*:*
- cpe:2.3:h:cisco:asr_1013:-:*:*:*:*:*:*:*
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