GSD-2021-41526
Vulnerability from gsd - Updated: 2023-12-13 01:23Details
A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked ‘repair’ of the MSI which has an InstallScript custom action.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-41526",
"id": "GSD-2021-41526"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-41526"
],
"details": "A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked \u2018repair\u2019 of the MSI which has an InstallScript custom action.",
"id": "GSD-2021-41526",
"modified": "2023-12-13T01:23:26.867957Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "PSIRT-CNA@flexerasoftware.com",
"ID": "CVE-2021-41526",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_value": "n/a"
}
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}
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"vendor_name": "n/a"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked \u2018repair\u2019 of the MSI which has an InstallScript custom action."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message",
"refsource": "CONFIRM",
"url": "https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message"
},
{
"name": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md",
"refsource": "MISC",
"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md"
},
{
"name": "20240419 MindManager 23 - full disclosure",
"refsource": "FULLDISC",
"url": "http://seclists.org/fulldisclosure/2024/Apr/24"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:flexera:revenera_installshield:*:*:*:*:*:windows:*:*",
"matchCriteriaId": "ED638412-2AD6-4860-9B87-C863984346AA",
"versionEndExcluding": "2021",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:flexera:revenera_installshield:2021:-:*:*:*:windows:*:*",
"matchCriteriaId": "08F8E0A6-92A1-4F49-B9C8-1698858587F4",
"vulnerable": true
},
{
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"matchCriteriaId": "7396B001-F8E1-48FB-AF78-E2FA8D81D662",
"vulnerable": true
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],
"negate": false,
"operator": "OR"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been reported in the windows installer (MSI) built with InstallScript custom action. This vulnerability may allow privilege escalation when invoked \u2018repair\u2019 of the MSI which has an InstallScript custom action."
}
],
"id": "CVE-2021-41526",
"lastModified": "2024-04-19T15:15:49.727",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-03-29T21:15:07.810",
"references": [
{
"source": "PSIRT-CNA@flexerasoftware.com",
"url": "http://seclists.org/fulldisclosure/2024/Apr/24"
},
{
"source": "PSIRT-CNA@flexerasoftware.com",
"tags": [
"Vendor Advisory"
],
"url": "https://community.flexera.com/t5/InstallShield-Knowledge-Base/CVE-2021-41526-Privilege-escalation-vulnerability-during-MSI/ta-p/218137/jump-to/first-unread-message"
},
{
"source": "PSIRT-CNA@flexerasoftware.com",
"tags": [
"Third Party Advisory"
],
"url": "https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0011/MNDT-2021-0011.md"
}
],
"sourceIdentifier": "PSIRT-CNA@flexerasoftware.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
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.
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