CVE-2020-36562

Uncontrolled Resource Consumption in github.com/shiyanhui/dht

View on CVE.org

Published Dec 27, 2022 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed

Description

Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector.

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
github.com/shiyanhui/dht	github.com/shiyanhui/dht	affected	—

Configuration 1 [-]

cpe:2.3:a:dht_project:dht:-:*:*:*:*:go:*:*

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-2022-7699	Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector.
Github GHSA	GHSA-p6fg-723f-hgpw	shiyanhui/dht vulnerable to Uncontrolled Resource Consumption

Metrics

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

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.838% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/shiyanhui/dht/issues/57
https://pkg.go.dev/vuln/GO-2020-0040

History

Apr 12, 2025 8:15 AM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Dht Project Dht

Weaknesses

CWE-617

Sources

CVE record Updated: Apr 11, 2025, 4:44 PM

Status: PUBLISHED
Assigner: Go
Published: Dec 27, 2022, 9:13 PM
Updated: Apr 11, 2025, 4:44 PM
Reserved: Jul 29, 2022, 5:12 PM

View source JSON

Vulnrichment Updated: Aug 4, 2024, 5:30 PM

Updated: Aug 4, 2024, 5:30 PM

NVD Updated: Jun 17, 2026, 3:15 AM

Status: Modified
Published: Dec 28, 2022, 3:15 AM
Modified: Jun 17, 2026, 3:15 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2020-36562", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2022-07-29T17:12:48.858Z", "datePublished": "2022-12-27T21:13:25.749Z", "dateUpdated": "2025-04-11T16:44:32.294Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2023-06-12T19:03:57.461Z"}, "title": "Uncontrolled Resource Consumption in github.com/shiyanhui/dht", "descriptions": [{"lang": "en", "value": "Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector."}], "affected": [{"vendor": "github.com/shiyanhui/dht", "product": "github.com/shiyanhui/dht", "collectionURL": "https://pkg.go.dev", "packageName": "github.com/shiyanhui/dht", "defaultStatus": "affected"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "references": [{"url": "https://github.com/shiyanhui/dht/issues/57"}, {"url": "https://pkg.go.dev/vuln/GO-2020-0040"}], "credits": [{"lang": "en", "value": "@hMihaiDavid"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:30:08.254Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/shiyanhui/dht/issues/57", "tags": ["x_transferred"]}, {"url": "https://pkg.go.dev/vuln/GO-2020-0040", "tags": ["x_transferred"]}]}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-04-11T16:43:59.399832Z", "id": "CVE-2020-36562", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-11T16:44:32.294Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/shiyanhui/dht/issues/57", "tags": ["x_transferred"]}, {"url": "https://pkg.go.dev/vuln/GO-2020-0040", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:30:08.254Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2020-36562", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-11T16:43:59.399832Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-11T16:44:26.584Z"}}], "cna": {"title": "Uncontrolled Resource Consumption in github.com/shiyanhui/dht", "credits": [{"lang": "en", "value": "@hMihaiDavid"}], "affected": [{"vendor": "github.com/shiyanhui/dht", "product": "github.com/shiyanhui/dht", "packageName": "github.com/shiyanhui/dht", "collectionURL": "https://pkg.go.dev", "defaultStatus": "affected"}], "references": [{"url": "https://github.com/shiyanhui/dht/issues/57"}, {"url": "https://pkg.go.dev/vuln/GO-2020-0040"}], "descriptions": [{"lang": "en", "value": "Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2023-06-12T19:03:57.461Z"}}}, "cveMetadata": {"cveId": "CVE-2020-36562", "state": "PUBLISHED", "dateUpdated": "2025-04-11T16:44:32.294Z", "dateReserved": "2022-07-29T17:12:48.858Z", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "datePublished": "2022-12-27T21:13:25.749Z", "assignerShortName": "Go"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"collectionURL": "https://pkg.go.dev", "defaultStatus": "affected", "packageName": "github.com/shiyanhui/dht", "product": "github.com/shiyanhui/dht", "vendor": "github.com/shiyanhui/dht"}], "source": "security@golang.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:dht_project:dht:-:*:*:*:*:go:*:*", "matchCriteriaId": "AD614341-DF86-402D-9078-2DBB77DEF035", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector."}, {"lang": "es", "value": "Debido a afirmaciones de tipos no verificadas, los mensajes elaborados con fines malintencionados pueden provocar p\u00e1nico, que pueden utilizarse como un vector de denegaci\u00f3n de servicio."}], "id": "CVE-2020-36562", "lastModified": "2026-06-17T03:15:44.507", "metrics": {"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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-36562", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-11T16:43:59.399832Z", "version": "2.0.3"}}]}, "published": "2022-12-28T03:15:09.490", "references": [{"source": "security@golang.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/shiyanhui/dht/issues/57"}, {"source": "security@golang.org", "tags": ["Vendor Advisory"], "url": "https://pkg.go.dev/vuln/GO-2020-0040"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/shiyanhui/dht/issues/57"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://pkg.go.dev/vuln/GO-2020-0040"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-617"}], "source": "nvd@nist.gov", "type": "Primary"}]}