How severe is CVE-2013-1112?

CVE-2013-1112 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2013-1112 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1112?

CVE-2013-1112 primarily affects Cisco Carrier Routing System. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1112?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-1112 published?

CVE-2013-1112 was published on 2013-01-31 and last updated on 2026-06-16.

CVE-2013-1112

CVE-2013-1112 is a medium-severity vulnerability in Cisco Carrier Routing System with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Cisco Carrier Routing System
Published: 2013-01-31
Last modified: 2026-06-16

Description

Cisco Carrier Routing System (CRS) allows remote attackers to cause a denial of service (packet loss) via short malformed packets that trigger inefficient processing, aka Bug ID CSCud79136.

Frequently asked questions

What is CVE-2013-1112?: Cisco Carrier Routing System (CRS) allows remote attackers to cause a denial of service (packet loss) via short malformed packets that trigger inefficient processing, aka Bug ID CSCud79136.
How severe is CVE-2013-1112?: CVE-2013-1112 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-1112 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1112?: CVE-2013-1112 primarily affects Cisco Carrier Routing System. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1112?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-1112 published?: CVE-2013-1112 was published on 2013-01-31 and last updated on 2026-06-16.

References

Affected products (38)

cpe:2.3:a:cisco:carrier_routing_system:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.2.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.2.6:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.3.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.4.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.5.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.6.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.6.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.6.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.7.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.8.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.8.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.8.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.8.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.8.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.9.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.9.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.9.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:3.9.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cisco:carrier_routing_system:4.1.2:*:*:*:*:*:*:*

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