CVE-2020-37051 (GCVE-0-2020-37051)
Vulnerability from cvelistv5 – Published: 2026-01-30 22:07 – Updated: 2026-03-05 01:27
VLAI
Title
Online-Exam-System 2015 - 'feedback' SQL Injection
Summary
Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the 'feed.php' endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters.
Severity
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/48560 | exploit |
| https://github.com/sunnygkp10/Online-Exam-System-.git | product |
| https://www.vulncheck.com/advisories/online-exam-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| sunnygkp10 | Online-Exam-System |
Affected:
2015
|
Date Public
2020-06-04 00:00
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2020-37051",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-02T20:10:02.460648Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-02T20:10:12.073Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Online-Exam-System",
"vendor": "sunnygkp10",
"versions": [
{
"status": "affected",
"version": "2015"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:nayem-howlader:online_exam_system:2015:*:*:*:*:*:*:*",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Gus Ralph"
}
],
"datePublic": "2020-06-04T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the \u0027feed.php\u0027 endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters."
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS"
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 8.2,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"description": "Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-03-05T01:27:42.175Z",
"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"shortName": "VulnCheck"
},
"references": [
{
"name": "ExploitDB-48560",
"tags": [
"exploit"
],
"url": "https://www.exploit-db.com/exploits/48560"
},
{
"name": "Software Repository",
"tags": [
"product"
],
"url": "https://github.com/sunnygkp10/Online-Exam-System-.git"
},
{
"name": "VulnCheck Advisory: Online-Exam-System 2015 - \u0027feedback\u0027 SQL Injection",
"tags": [
"third-party-advisory"
],
"url": "https://www.vulncheck.com/advisories/online-exam-system-feedback-sql-injection"
}
],
"title": "Online-Exam-System 2015 - \u0027feedback\u0027 SQL Injection",
"x_generator": {
"engine": "vulncheck"
}
}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2020-37051",
"datePublished": "2026-01-30T22:07:18.289Z",
"dateReserved": "2026-01-28T18:18:30.525Z",
"dateUpdated": "2026-03-05T01:27:42.175Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-37051",
"date": "2026-05-30",
"epss": "0.00016",
"percentile": "0.0405"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2020-37051\",\"sourceIdentifier\":\"disclosure@vulncheck.com\",\"published\":\"2026-01-30T23:16:10.963\",\"lastModified\":\"2026-03-12T18:49:32.590\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the \u0027feed.php\u0027 endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters.\"},{\"lang\":\"es\",\"value\":\"Online-Exam-System 2015 contiene una vulnerabilidad de inyecci\u00f3n SQL ciega basada en tiempo en el formulario de comentarios que permite a los atacantes extraer hashes de contrase\u00f1as de la base de datos. Los atacantes pueden explotar el endpoint \u0027feed.php\u0027 mediante la creaci\u00f3n de solicitudes de carga \u00fatil maliciosas que utilizan retrasos de tiempo para enumerar sistem\u00e1ticamente los caracteres de las contrase\u00f1as de los usuarios.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"HIGH\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"NONE\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"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\":\"disclosure@vulncheck.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N\",\"baseScore\":8.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":4.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"disclosure@vulncheck.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-89\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sunnygkp10:online-exam-system-:2015:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D5A6D385-B814-44B5-A1D0-D02F95F255F2\"}]}]}],\"references\":[{\"url\":\"https://github.com/sunnygkp10/Online-Exam-System-.git\",\"source\":\"disclosure@vulncheck.com\",\"tags\":[\"Product\"]},{\"url\":\"https://www.exploit-db.com/exploits/48560\",\"source\":\"disclosure@vulncheck.com\",\"tags\":[\"Exploit\",\"VDB Entry\"]},{\"url\":\"https://www.vulncheck.com/advisories/online-exam-system-feedback-sql-injection\",\"source\":\"disclosure@vulncheck.com\",\"tags\":[\"Broken Link\"]}]}}",
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-37051\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-02T20:10:02.460648Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-02T20:10:08.311Z\"}}], \"cna\": {\"title\": \"Online-Exam-System 2015 - \u0027feedback\u0027 SQL Injection\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Gus Ralph\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.8, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"HIGH\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.2, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"vendor\": \"sunnygkp10\", \"product\": \"Online-Exam-System\", \"versions\": [{\"status\": \"affected\", \"version\": \"2015\"}]}], \"datePublic\": \"2020-06-04T00:00:00.000Z\", \"references\": [{\"url\": \"https://www.exploit-db.com/exploits/48560\", \"name\": \"ExploitDB-48560\", \"tags\": [\"exploit\"]}, {\"url\": \"https://github.com/sunnygkp10/Online-Exam-System-.git\", \"name\": \"Software Repository\", \"tags\": [\"product\"]}, {\"url\": \"https://www.vulncheck.com/advisories/online-exam-system-feedback-sql-injection\", \"name\": \"VulnCheck Advisory: Online-Exam-System 2015 - \u0027feedback\u0027 SQL Injection\", \"tags\": [\"third-party-advisory\"]}], \"x_generator\": {\"engine\": \"vulncheck\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Online-Exam-System 2015 contains a time-based blind SQL injection vulnerability in the feedback form that allows attackers to extract database password hashes. Attackers can exploit the \u0027feed.php\u0027 endpoint by crafting malicious payload requests that use time delays to systematically enumerate user password characters.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-89\", \"description\": \"Improper Neutralization of Special Elements used in an SQL Command (\u0027SQL Injection\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"shortName\": \"VulnCheck\", \"dateUpdated\": \"2026-01-30T22:07:18.289Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2020-37051\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-02T20:10:12.073Z\", \"dateReserved\": \"2026-01-28T18:18:30.525Z\", \"assignerOrgId\": \"83251b91-4cc7-4094-a5c7-464a1b83ea10\", \"datePublished\": \"2026-01-30T22:07:18.289Z\", \"assignerShortName\": \"VulnCheck\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…