VDB
CVE-2018-0257
CVE-2018-0257
PUBLISHED
CVSS 4.300000190734863 MEDIUM
A vulnerability in Cisco IOS XE Software running on Cisco cBR Series Converged Broadband Routers could allow an unauthenticated, adjacent attacker to cause high CPU usage on an affected device, resulting in a denial of service (DoS) condition. The vulnerability is due to the incorrect handling of certain DHCP packets. An attacker could exploit this vulnerability by sending certain DHCP packets to a specific segment of an affected device. A successful exploit could allow the attacker to increase CPU usage on the affected device and cause a DoS condition. Cisco Bug IDs: CSCvg73687.
EPSS 0.23% · 45.8th percentile
Risk Scores
CVSS 3.0
4.300000190734863
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score
0.23%
45.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| cisco | ios_xe | 3.18, 16.6, 16.7 |
| n/a | Cisco cBR Series Converged Broadband Routers | Cisco cBR Series Converged Broadband Routers |
Exploit Intelligence
- CIRCL seen: CVE-2018-0257 (circl-sighting)
- 1040716 (circl)
- 103948 (circl)
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-cbr8 (circl)
Timeline
- Apr 18, 2018 CVE Published
- Dec 31, 2018 PoC Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score