CVE-2013-1136: n/a vulnerability

CVE-2013-1136: The crypto engine process in Cisco IOS on Aggregation Services Router (ASR) Route Processor 2 does not prop...

The crypto engine process in Cisco IOS on Aggregation Services Router (ASR) Route Processor 2 does not properly manage memory, which allows local users to cause a denial of service (route processor crash) by creating multiple tunnels and then examining encryption statistics, aka Bug ID CSCuc52193.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 14:49 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2013-1136 is a Cisco IOS denial-of-service issue affecting ASR Route Processor 2 crypto handling. A local user could trigger a route processor crash under tunnel and encryption-statistics activity, potentially disrupting routing services on affected infrastructure. Exposure is most likely in organizations running Cisco IOS on ASR platforms with Route Processor 2 and relevant tunnel or DMVPN configurations. The supplied data does not identify exact affected releases, CPEs, or fixed versions. Treat this as a targeted infrastructure availability risk, not a broad internet-scale emergency. Prioritize confirmation for Cisco ASR RP2 environments because a route processor crash can affect network service continuity. Mitigation focus: Review the Cisco notice and Bug ID CSCuc52193 for affected and fixed IOS releases.; Restrict local and administrative access to ASR RP2 devices.; Limit who can modify tunnel configurations or inspect encryption statistics..

Prepared: Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 13, 2013, 10:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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Weakness

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