CVE-2012-5036 - Vulnerability Details - OpenCVE

Description

Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662.

Published: 2014-04-23

Score: 6.8 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 [-]

OR	cpe:2.3:o:cisco:ios:12.2\(33\)sxi4:::::::*
	cpe:2.3:o:cisco:ios:12.2\(33\)sxi5:::::::*
	cpe:2.3:o:cisco:ios:12.2\(33\)sxi6:::::::*
	cpe:2.3:o:cisco:ios:12.2\(33\)sxi7:::::::*
	cpe:2.3:o:cisco:ios:12.2\(33\)sxj:::::::*
	cpe:2.3:o:cisco:ios:12.2\(50\)sy:::::::*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2012-4960	Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00363.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html

History

No history.

Subscriptions

Cisco Ios

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2014-04-23T10:00:00.000Z

Updated: 2024-08-06T20:50:18.427Z

Reserved: 2012-09-21T00:00:00.000Z

Link: CVE-2012-5036

Vulnrichment

No data.

NVD

Status : Modified

Published: 2014-04-23T11:52:59.167

Modified: 2026-05-06T22:30:45.220

Link: CVE-2012-5036

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-399

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-11-30T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2014-04-23T06:57:00.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2012-5036", "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 IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html", "refsource": "CONFIRM", "url": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:50:18.427Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2012-5036", "datePublished": "2014-04-23T10:00:00.000Z", "dateReserved": "2012-09-21T00:00:00.000Z", "dateUpdated": "2024-08-06T20:50:18.427Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi4:*:*:*:*:*:*:*", "matchCriteriaId": "8940ECBB-CA08-4292-AA5C-55AB95D98580", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi5:*:*:*:*:*:*:*", "matchCriteriaId": "950F3BA6-DEEB-4EA5-96E3-88B33B0331D4", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi6:*:*:*:*:*:*:*", "matchCriteriaId": "C48E7E3A-61B2-4188-831C-26EB583ECD71", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxi7:*:*:*:*:*:*:*", "matchCriteriaId": "A1C54AA9-EFDB-43A5-AD00-4E9965881927", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2\\(33\\)sxj:*:*:*:*:*:*:*", "matchCriteriaId": "7BB7463C-01C6-4483-8EF1-1E1257738CD4", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:12.2\\(50\\)sy:*:*:*:*:*:*:*", "matchCriteriaId": "DFA53AAE-4FF1-4662-9671-06C001C22750", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Cisco IOS before 12.2(50)SY1 allows remote authenticated users to cause a denial of service (memory consumption) via a sequence of VTY management sessions (aka exec sessions), aka Bug ID CSCtn43662."}, {"lang": "es", "value": "Cisco IOS anterior a 12.2(50)SY1 permite a usuarios remotos autenticados causar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de una secuencia de sesiones de gesti\u00f3n VTY (tambi\u00e9n conocido como \"exec sessions\"), tambi\u00e9n conocido como Bug ID CSCtn43662."}], "id": "CVE-2012-5036", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-04-23T11:52:59.167", "references": [{"source": "psirt@cisco.com", "url": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst6500/ios/12-2SY/release/notes/ol_20679.html"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}