CVE-2018-0157
A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device…
Published 8 y ago · modified 4 mo ago · JSON
Summary
A vulnerability in the Zone-Based Firewall code of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a device to reload. The vulnerability is due to the way fragmented packets are handled in the firewall code. An attacker could exploit this vulnerability by sending fragmented IP Version 4 or IP Version 6 packets through an affected device. An exploit could allow the attacker to cause the device to crash, resulting in a denial of service (DoS) condition. The following releases of Cisco IOS XE Software are vulnerable: Everest-16.4.1, Everest-16.4.2, Everest-16.5.1, Everest-16.5.1b, Everest-16.6.1, Everest-16.6.1a. Cisco Bug IDs: CSCvf60296.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 23 mo ago
Exploit prediction (EPSS)
2.67% probability of exploitation in the next 30 days, higher than 86% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Affected products
- n/a Cisco IOS XE
Classification
- Weakness
- CWE-19 Data Processing Errors
- Technology feeds
- Cisco IOS (RSS, critical only)
References
- securitytracker.com /id/1040593 · vdb-entry, x_refsource_SECTRACK, x_transferred
- securityfocus.com /bid/103561 · vdb-entry, x_refsource_BID, x_transferred
- tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-fwip · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2018-0157
- NVD: CVE-2018-0157
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