CVE-2012-5723
What it is
Cisco ASR 1000 devices with software before 3.8S, when BDI routing is enabled, allow remote attackers to cause a denial of service (device reload) via crafted (1) broadcast or (2) multicast ICMP packets with fragmentation, aka Bug ID CSCub55948.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.7% in the next 30 days (EPSS).
- Severity: 6.1 MEDIUM (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Cisco iOS Xe ≤ 3.7s\(.1\)
- Cisco iOS Xe 3.6.0s
- Cisco iOS Xe 3.6.1s
- Cisco iOS Xe 3.6.2s
- Cisco iOS Xe 3.6s\(.0\)
- Cisco iOS Xe 3.6s\(.1\)
- Cisco iOS Xe 3.6s\(.2\)
- Cisco iOS Xe 3.7.0s
Attack profile CVSS 2.0 · 6.1
- Attack vector
- Adjacent network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:A/AC:L/Au:N/C:N/I:N/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2012-5723.md and follow it. Check whether this project is affected by CVE-2012-5723. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
