CVE-2001-0864

View on CVE.org

Published Mar 9, 2002 CVSS 2.0 · 7.5 High EPSS 1.4% KEV · Not listed

Description

Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:h:cisco:12000_router:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2001-0847	Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit "deny ip any any" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.4% (1.392% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.ciac.org/ciac/bulletins/m-018.shtml
http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml
http://www.osvdb.org/1986
http://www.securityfocus.com/bid/3536
https://exchange.xforce.ibmcloud.com/vulnerabilities/7553

History

No history.

Subscriptions

Cisco 12000 Router

Weaknesses

NVD-CWE-Other

Sources

CVE record Updated: Aug 8, 2024, 4:37 AM

Status: PUBLISHED
Assigner: mitre
Published: Mar 9, 2002, 5:00 AM
Updated: Aug 8, 2024, 4:37 AM
Reserved: Nov 22, 2001, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 9:55 PM

Status: Modified
Published: Dec 6, 2001, 5:00 AM
Modified: Jun 16, 2026, 9:55 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2001-11-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit \"deny ip any any\" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2009-03-02T00:00:00.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "M-018", "tags": ["third-party-advisory", "government-resource", "x_refsource_CIAC"], "url": "http://www.ciac.org/ciac/bulletins/m-018.shtml"}, {"name": "20011114 Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml"}, {"name": "1986", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://www.osvdb.org/1986"}, {"name": "cisco-acl-deny-ip(7553)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7553"}, {"name": "3536", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/3536"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2001-0864", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit \"deny ip any any\" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "M-018", "refsource": "CIAC", "url": "http://www.ciac.org/ciac/bulletins/m-018.shtml"}, {"name": "20011114 Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router", "refsource": "CISCO", "url": "http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml"}, {"name": "1986", "refsource": "OSVDB", "url": "http://www.osvdb.org/1986"}, {"name": "cisco-acl-deny-ip(7553)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7553"}, {"name": "3536", "refsource": "BID", "url": "http://www.securityfocus.com/bid/3536"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-08T04:37:06.408Z"}, "title": "CVE Program Container", "references": [{"name": "M-018", "tags": ["third-party-advisory", "government-resource", "x_refsource_CIAC", "x_transferred"], "url": "http://www.ciac.org/ciac/bulletins/m-018.shtml"}, {"name": "20011114 Multiple Vulnerabilities in Access Control List Implementation for Cisco 12000 Series Internet Router", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml"}, {"name": "1986", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://www.osvdb.org/1986"}, {"name": "cisco-acl-deny-ip(7553)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7553"}, {"name": "3536", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/3536"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2001-0864", "datePublished": "2002-03-09T05:00:00.000Z", "dateReserved": "2001-11-22T00:00:00.000Z", "dateUpdated": "2024-08-08T04:37:06.408Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:12000_router:*:*:*:*:*:*:*:*", "matchCriteriaId": "978CC32A-55A9-4DAE-B2A4-9FE41FC9497D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco 12000 with IOS 12.0 and line cards based on Engine 2 does not properly handle the implicit \"deny ip any any\" rule in an outgoing ACL when the ACL contains exactly 448 entries, which can allow some outgoing packets to bypass access restrictions."}], "id": "CVE-2001-0864", "lastModified": "2026-06-16T21:55:07.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": true, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2001-12-06T05:00:00.000", "references": [{"source": "cve@mitre.org", "url": "http://www.ciac.org/ciac/bulletins/m-018.shtml"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/1986"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/3536"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7553"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ciac.org/ciac/bulletins/m-018.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/warp/public/707/GSR-ACL-pub.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.osvdb.org/1986"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/3536"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/7553"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}