CVE-2025-64787 (GCVE-0-2025-64787)
Vulnerability from cvelistv5 – Published: 2025-12-09 20:21 – Updated: 2025-12-09 20:21
VLAI?
Summary
Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue does not require user interaction.
Severity ?
CWE
- CWE-347 - Improper Verification of Cryptographic Signature (CWE-347)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
0 , ≤ 20.005.30803
(semver)
|
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "Acrobat Reader",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "20.005.30803",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"datePublic": "2025-12-09T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue does not require user interaction."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 3.3,
"environmentalSeverity": "LOW",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "LOCAL",
"modifiedAvailabilityImpact": "NONE",
"modifiedConfidentialityImpact": "NONE",
"modifiedIntegrityImpact": "LOW",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "REQUIRED",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 3.3,
"temporalSeverity": "LOW",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-347",
"description": "Improper Verification of Cryptographic Signature (CWE-347)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-12-09T20:21:03.344Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/acrobat/apsb25-119.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Acrobat Reader | Improper Verification of Cryptographic Signature (CWE-347)"
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2025-64787",
"datePublished": "2025-12-09T20:21:03.344Z",
"dateReserved": "2025-11-11T22:48:38.824Z",
"dateUpdated": "2025-12-09T20:21:03.344Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-64787\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2025-12-09T21:15:59.337\",\"lastModified\":\"2025-12-09T21:15:59.337\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader versions 24.001.30264, 20.005.30793, 25.001.20982, 24.001.30273, 20.005.30803 and earlier are affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass cryptographic protections and gain limited unauthorized write access. Exploitation of this issue does not require user interaction.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N\",\"baseScore\":3.3,\"baseSeverity\":\"LOW\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-347\"}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb25-119.html\",\"source\":\"psirt@adobe.com\"}]}}"
}
}
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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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