CVEvulnerability
CVE-2013-5543
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2013-10-31
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-20
Description
Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via malformed ICMP error packets associated with a (1) TCP or (2) UDP session that is under inspection by the Zone-Based Firewall (ZBFW) component, aka Bug ID CSCtt26470.
Affected configurations
• cisco ios xe 3.4.0as
• cisco ios xe 3.4.0s
• cisco ios xe 3.4.1s
• cisco asr 1001
• cisco asr 1002
• cisco asr 1002-x
• cisco asr 1004
• cisco asr 1006
• cisco asr 1023 router
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness