← The evidence ledger
Evidence row 2202156
Observed , by sync.x402_bazaar/1.
- Kind
- listing
- About
- source_record x402_bazaar:https://vuln-intel.x402tookit.com/vuln-cve
- Recorded
- Previous row
- None: the first of its kind about this subject
- Body SHA-256
- 1f974d48927351a061f501e1710110d08148f805a4e448a776a650aa2f04c75f
- Leaf
- 0x875ddc372c665b730f13d31f437c4a729af463e5243c81fe29291c12d43d44d1
What was observed
{
"endpoints": [
[
"x402",
"https://vuln-intel.x402tookit.com/vuln-cve"
]
],
"name": "Vulnerability Intelligence",
"owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
"raw": {
"accepts": [
{
"amount": "30000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
"transactionVersions": [
0
]
},
"maxTimeoutSeconds": 300,
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:137",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
},
{
"amount": "30000",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:42161",
"payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
"scheme": "exact"
}
],
"description": "Patch priority P0-P3 for a CVE from CISA exploited-in-the-wild status, EPSS exploit probability and advisory severity.",
"extensions": {
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"cve": "CVE-2021-44228"
},
"type": "http"
},
"output": {
"example": {
"advisorySeverity": null,
"advisorySummary": "",
"asOf": "2026-10-23T03:17:25.868Z",
"cve": "CVE-2021-44228",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"epss": {
"asOf": "2026-10-22",
"percentile": 1,
"probability": 0.99999
},
"inKev": true,
"kev": {
"dateAdded": "2021-12-10",
"dueDate": "2021-12-24",
"name": "Apache Log4j2 Remote Code Execution Vulnerability",
"product": "Log4j2",
"ransomwareUse": "Known",
"requiredAction": "For all affected software assets for which updates exist, the only acceptable remediation actions are: 1) Apply updates; OR 2) remove affected assets from agency networks. Temporary mitigations using ",
"vendor": "Apache"
},
"notChecked": [
"whether you run the affected software",
"compensating controls",
"…2 more"
],
"reasons": [
"In CISA's Known Exploited Vulnerabilities catalog (added 2021-12-10; used in ransomware campaigns).",
"EPSS is provided by FIRST (first.org/epss).",
"…1 more"
],
"source": "CISA KEV + FIRST EPSS + OSV.dev",
"sourceUrl": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
"summary": "CVE-2021-44228: p0 patch now. In CISA's Known Exploited Vulnerabilities catalog (added 2021-12-10; used in ransomware campaigns).",
"thresholds": {
"p1EpssAtLeast": 0.5,
"p2EpssAtLeast": 0.1
},
"verdict": "P0_PATCH_NOW"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"cve": {
"description": "CVE id, e.g. CVE-2021-44228",
"type": "string"
}
},
"required": [
"cve"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"advisorySeverity": {},
"advisorySummary": {
"type": [
"null",
"string"
]
},
"asOf": {
"type": [
"null",
"string"
]
},
"cve": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"epss": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"percentile": {
"type": [
"null",
"number"
]
},
"probability": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"inKev": {
"type": [
"boolean",
"null"
]
},
"kev": {
"properties": {
"dateAdded": {
"type": [
"null",
"string"
]
},
"dueDate": {
"type": [
"null",
"string"
]
},
"name": {
"type": [
"null",
"string"
]
},
"product": {
"type": [
"null",
"string"
]
},
"ransomwareUse": {
"type": [
"null",
"string"
]
},
"requiredAction": {
"type": [
"null",
"string"
]
},
"vendor": {
"type": [
"null",
"string"
]
}
},
"type": [
"null",
"object"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"thresholds": {
"properties": {
"p1EpssAtLeast": {
"type": [
"null",
"number"
]
},
"p2EpssAtLeast": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"verdict": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
},
"lastUpdated": "2026-11-01T22:39:46.456Z",
"quality": {
"l30DaysTotalCalls": 2,
"l30DaysUniquePayers": 1,
"lastCalledAt": "2026-11-01T22:39:46.304Z"
},
"resource": "https://vuln-intel.x402tookit.com/vuln-cve",
"serviceName": "Vulnerability Intelligence",
"tags": [
"cve",
"patch-priority",
"epss",
"kev"
],
"type": "http",
"x402Version": 2
},
"source": "x402_bazaar",
"summary": "Patch priority P0-P3 for a CVE from CISA exploited-in-the-wild status, EPSS exploit probability and advisory severity."
}What the leaf hashes
{"body":"1f974d48927351a061f501e1710110d08148f805a4e448a776a650aa2f04c75f","id":2202156,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813519185,"prev":null,"subject":"x402_bazaar:https://vuln-intel.x402tookit.com/vuln-cve","subject_kind":"source_record"}Proof
Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).
- 0x875e17f461e36cb5c028d5840f6a874b5686900fb1561310c6025aa0b0d84919
- 0xfaf0af04d605f5aef8b816712d01b7db84d2d64b45502b25676f7e1bc02481d1
- 0xb44ce64be5ef38d95b64fc02d5edc64d650250cd32ab7b54359613c9ed592b10
- 0x246fe9861afbfd832c265e151bd84b4025bd5c960858a32f7d9e3c57d2a28a03
- 0xcd0dc4b5efc86aa026009cf8ff7a54843e3fc37fb10ee851ed519b6a567dfe87
- 0x88b77459c263a4b672f93ef51e10d10c80d0fbcbdf5ccc004dbf5fa4bf3277d2
- 0xf7860b02778606b8ff2480e01d20d96ef1d4555ac85384bf6c4cecdb11d1e092
- 0x5fca703e63852998d0e4c1770d3586c5692e1858309f45715f9b1ea658dcee80
- 0xfe0f20ff65f0cbda8f62ac3474f85df743bc6aa61790d69f0461df7e3ebc6fdc
- 0x69216050a3a0b332e53428bbe8a27ad09528f5a0b2c2741a7d25bb4343329479
- 0x8941853377c9e1c5c248761e0a22af1f8cd9c534258e43a26b452aebad0b2038
- 0x459a820f07080c181130d1dd317851777b732f1624df94f4b0d1d3e1f18d30a4
- 0x650762fd3ea664db9c82e9fa57a70645b039ff3d3dda93972e6da6c3b1355d26
- 0x45296e5ab7be6d8163e528d05039d4c685fc8962fc80b797c1d68574b10b444c
- 0x510fa2c647d18bb802da12cf41e17d136163e6624e69ed77e15235c4284b69c7
- 0x5e23ec5954c11a4530aab8c635a72b12bcfeb6fcb03c6cb1a990cc1743424543
- 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
- 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
- 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
- Day root
- 0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
- Chained
- 0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
- Published
- On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af