CVE-2012-3923 - Vulnerability Details - OpenCVE

Description

The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827.

Published: 2012-09-16

Score: 3.5 Low

EPSS: < 1% Very Low

KEV: No

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:12.4:::::::*
	cpe:2.3:o:cisco:ios:15.0:::::::*
	cpe:2.3:o:cisco:ios:15.1:::::::*
	cpe:2.3:o:cisco:ios:15.2:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2012-3867	The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00856.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/78670

History

No history.

Subscriptions

Cisco Ios

MITRE

Status: PUBLISHED

Assigner: cisco

Published: 2012-09-16T10:00:00.000Z

Updated: 2024-08-06T20:21:04.090Z

Reserved: 2012-07-10T00:00:00.000Z

Link: CVE-2012-3923

Vulnrichment

No data.

NVD

Status : Modified

Published: 2012-09-16T10:34:51.393

Modified: 2026-06-16T23:44:05.620

Link: CVE-2012-3923

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-08-31T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-08-28T12:57:01.000Z", "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html"}, {"name": "ciscoios-sslvpn-dtls-dos(78670)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78670"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@cisco.com", "ID": "CVE-2012-3923", "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": "The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html", "refsource": "CONFIRM", "url": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html"}, {"name": "ciscoios-sslvpn-dtls-dos(78670)", "refsource": "XF", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78670"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T20:21:04.090Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html"}, {"name": "ciscoios-sslvpn-dtls-dos(78670)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78670"}]}]}, "cveMetadata": {"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "assignerShortName": "cisco", "cveId": "CVE-2012-3923", "datePublished": "2012-09-16T10:00:00.000Z", "dateReserved": "2012-07-10T00:00:00.000Z", "dateUpdated": "2024-08-06T20:21:04.090Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios:12.4:*:*:*:*:*:*:*", "matchCriteriaId": "9D4D8C72-E7BB-40BF-9AE5-622794D63E09", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:15.0:*:*:*:*:*:*:*", "matchCriteriaId": "CF87CC9A-1AF5-4DB4-ACE5-DB938D3B2F84", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "EB41294E-F3DF-4F1E-A4C8-E90B21A88836", "vulnerable": true}, {"criteria": "cpe:2.3:o:cisco:ios:15.2:*:*:*:*:*:*:*", "matchCriteriaId": "C2AB6A02-B7C7-48D1-8857-BD1CDF9A40D8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The SSLVPN implementation in Cisco IOS 12.4, 15.0, 15.1, and 15.2, when DTLS is not enabled, does not properly handle certain outbound ACL configurations, which allows remote authenticated users to cause a denial of service (device crash) via a session involving a PPP over ATM (PPPoA) interface, aka Bug ID CSCte41827."}, {"lang": "es", "value": "La implementaci\u00f3n de SSLVPN en Cisco IOS v12.4, v15.0, v15.1, y v15.2, cuando DTLS no est\u00e1 habilitado, no controla correctamente ciertas configuraciones de las listas de control de acceso ACL, lo que permite a usuarios remotos autenticados causar una denegaci\u00f3n de servicio (ca\u00edda de dispositivo) a trav\u00e9s de una sesi\u00f3n que implica al interfase PPP sobre ATM (PPPoA), tambi\u00e9n conocido como Bug ID CSCte41827."}], "id": "CVE-2012-3923", "lastModified": "2026-06-16T23:44:05.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2012-09-16T10:34:51.393", "references": [{"source": "psirt@cisco.com", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html"}, {"source": "psirt@cisco.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78670"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.cisco.com/en/US/docs/ios/15_2m_and_t/release/notes/152-1TCAVS.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/78670"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}