gsd-2021-31559
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-31559",
"description": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.",
"id": "GSD-2021-31559"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-31559"
],
"details": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders.",
"id": "GSD-2021-31559",
"modified": "2023-12-13T01:23:13.418989Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "prodsec@splunk.com",
"ID": "CVE-2021-31559",
"STATE": "PUBLIC",
"TITLE": "S2S TcpToken authentication bypass"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Splunk Enterprise",
"version": {
"version_data": [
{
"version_value": "8.2 version(s) before 8.2.1"
},
{
"version_value": "Version(s) before 8.1.5"
}
]
}
}
]
},
"vendor_name": "Splunk"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
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{
"lang": "eng",
"value": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders."
}
]
},
"generator": {
"engine": "advisoriator"
},
"impact": {
"cvss": {
"baseScore": "7.5",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-288"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html",
"refsource": "MISC",
"url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html"
}
]
},
"source": {
"advisory": "SVD-2022-0503",
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"versionEndExcluding": "8.1.5",
"versionStartIncluding": "8.1.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:splunk:splunk:8.2.0:*:*:*:enterprise:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
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},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "prodsec@splunk.com",
"ID": "CVE-2021-31559"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "A crafted request bypasses S2S TCP Token authentication writing arbitrary events to an index in Splunk Enterprise Indexer 8.1 versions before 8.1.5 and 8.2 versions before 8.2.1. The vulnerability impacts Indexers configured to use TCPTokens. It does not impact Universal Forwarders."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
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"value": "NVD-CWE-noinfo"
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},
"references": {
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"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.splunk.com/en_us/product-security/announcements/svd-2022-0503.html"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
},
"lastModifiedDate": "2022-10-25T16:42Z",
"publishedDate": "2022-05-06T17:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.