01 Record
CVE-2003-0567
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 Description
Cisco IOS 11.x and 12.0 through 12.2 allows remote attackers to cause a denial of service (traffic block) by sending a particular sequence of IPv4 packets to an interface on the device, causing the
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 16.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2003-07-25 04:00Z23 YR AGO
- Last updated
- 2024-08-08 01:58Z2 YR AGO
- Reserved
- 2003-07-16
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 7e90ee118c8b90736a4f4ca1c96646eeba1e3d3197ec6e456ae91d7dbcff5aeb
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.kb.cert.orgVU#411332http://www.kb.cert.org/vuls/id/411332
- oval.cisecurity.orgoval:org.mitre.oval:def:5603https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5603
- www.cert.orgCA-2003-17http://www.cert.org/advisories/CA-2003-17.html
- www.cisco.com20030717 IOS Interface Blocked by IPv4 Packethttp://www.cisco.com/warp/public/707/cisco-sa-20030717-blocked.shtml
- www.cert.orgCA-2003-15http://www.cert.org/advisories/CA-2003-15.html
- lists.grok.org.uk20030718 (no subject)http://lists.grok.org.uk/pipermail/full-disclosure/2003-July/006743.html