# CVE-2018-0154

A vulnerability in the crypto engine of the Cisco Integrated Services Module for VPN (ISM-VPN) running Cisco IOS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient handling of VPN traffic by the affected device. An attacker could exploit this vulnerability by sending crafted VPN traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to hang or crash, resulting in a DoS condition. Cisco Bug IDs: CSCvd39267.

- Page: https://www.vulneraibility.com/cve/CVE-2018-0154
- CVSS: 7.5
- Known exploited: yes, in CISA KEV since 2022-03-03; CISA due date 2022-03-17
- EPSS: 7.07% (percentile 94.3)
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2024-11-08)
- Weakness: CWE-399
- Published: 2018-03-28

## Affected versions

- Cisco IOS: affected Cisco IOS

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] http://www.securityfocus.com/bid/103559
- [other] https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-dos
- [other] http://www.securitytracker.com/id/1040585
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0154

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.