CVE-2020-10863 - Vulnerability Details - OpenCVE

Description

An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine.

Published: 2020-04-01

Score: 7.5 High

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 [-]

AND

cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

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-2020-3269	An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00642.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://forum.avast.com/index.php?topic=232420.0
https://forum.avast.com/index.php?topic=232423.0
https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md

History

No history.

Subscriptions

Avast Antivirus

Microsoft Windows

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-04-01T16:55:48.000Z

Updated: 2024-08-04T11:14:15.706Z

Reserved: 2020-03-23T00:00:00.000Z

Link: CVE-2020-10863

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-04-01T17:15:15.987

Modified: 2024-11-21T04:56:14.720

Link: CVE-2020-10863

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"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-04-01T16:55:48.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://forum.avast.com/index.php?topic=232420.0"}, {"tags": ["x_refsource_MISC"], "url": "https://forum.avast.com/index.php?topic=232423.0"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-10863", "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": "An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://forum.avast.com/index.php?topic=232420.0", "refsource": "MISC", "url": "https://forum.avast.com/index.php?topic=232420.0"}, {"name": "https://forum.avast.com/index.php?topic=232423.0", "refsource": "MISC", "url": "https://forum.avast.com/index.php?topic=232423.0"}, {"name": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md", "refsource": "MISC", "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T11:14:15.706Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://forum.avast.com/index.php?topic=232420.0"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://forum.avast.com/index.php?topic=232423.0"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-10863", "datePublished": "2020-04-01T16:55:48.000Z", "dateReserved": "2020-03-23T00:00:00.000Z", "dateUpdated": "2024-08-04T11:14:15.706Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:avast:antivirus:*:*:*:*:*:*:*:*", "matchCriteriaId": "76526B74-4398-42D9-A110-599151A4ABB7", "versionEndExcluding": "20.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to trigger a shutdown via RPC from a Low Integrity process via TempShutDownMachine."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Avast Antivirus versiones anteriores a 20. El endpoint de aswTask RPC para la biblioteca TaskEx en el Avast Service (AvastSvc.exe) permite a atacantes desencadenar un apagado por medio de una RPC a partir de un proceso Low Integrity por medio de TempShutDownMachine."}], "id": "CVE-2020-10863", "lastModified": "2024-11-21T04:56:14.720", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-04-01T17:15:15.987", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://forum.avast.com/index.php?topic=232420.0"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://forum.avast.com/index.php?topic=232423.0"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://forum.avast.com/index.php?topic=232420.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://forum.avast.com/index.php?topic=232423.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}