CVE-2021-28546 (GCVE-0-2021-28546)
Vulnerability from cvelistv5 – Published: 2021-04-01 13:35 – Updated: 2024-09-16 23:10
VLAI
Title
Acrobat Reader DC Missing Support for Integrity Check
Summary
Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.
Severity
6.5 (Medium)
CWE
- CWE-353 - Missing Support for Integrity Check (CWE-353)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/acrobat… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Acrobat Reader |
Affected:
unspecified , ≤ 2020.013.20074
(custom)
Affected: unspecified , ≤ 2020.001.30018 (custom) Affected: unspecified , ≤ 2017.011.30188 (custom) Affected: unspecified , ≤ None (custom) |
Date Public
2021-02-09 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T21:47:32.620Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Acrobat Reader",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "2020.013.20074",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThanOrEqual": "2020.001.30018",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThanOrEqual": "2017.011.30188",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThanOrEqual": "None",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-02-09T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-353",
"description": "Missing Support for Integrity Check (CWE-353)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-04-01T13:35:46.000Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Acrobat Reader DC Missing Support for Integrity Check",
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "psirt@adobe.com",
"DATE_PUBLIC": "2021-02-09T23:00:00.000Z",
"ID": "CVE-2021-28546",
"STATE": "PUBLIC",
"TITLE": "Acrobat Reader DC Missing Support for Integrity Check"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Acrobat Reader",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_value": "2020.013.20074"
},
{
"version_affected": "\u003c=",
"version_value": "2020.001.30018"
},
{
"version_affected": "\u003c=",
"version_value": "2017.011.30188"
},
{
"version_affected": "\u003c=",
"version_value": "None"
}
]
}
}
]
},
"vendor_name": "Adobe"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "Low",
"attackVector": "Network",
"availabilityImpact": "None",
"baseScore": 6.5,
"baseSeverity": "Medium",
"confidentialityImpact": "None",
"integrityImpact": "High",
"privilegesRequired": "None",
"scope": "Unchanged",
"userInteraction": "Required",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Missing Support for Integrity Check (CWE-353)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html",
"refsource": "MISC",
"url": "https://helpx.adobe.com/security/products/acrobat/apsb21-09.html"
}
]
},
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2021-28546",
"datePublished": "2021-04-01T13:35:46.332Z",
"dateReserved": "2021-03-16T00:00:00.000Z",
"dateUpdated": "2024-09-16T23:10:26.406Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-28546",
"date": "2026-05-25",
"epss": "0.00402",
"percentile": "0.6097"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-28546\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2021-04-01T14:15:13.577\",\"lastModified\":\"2024-11-21T05:59:49.340\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Acrobat Reader DC versions versions 2020.013.20074 (and earlier), 2020.001.30018 (and earlier) and 2017.011.30188 (and earlier) are missing support for an integrity check. An unauthenticated attacker could leverage this vulnerability to modify content in a certified PDF without invalidating the certification. Exploitation of this issue requires user interaction in that a victim must open the tampered file.\"},{\"lang\":\"es\",\"value\":\"Acrobat Reader DC versiones 2020.013.20074 (y anteriores), versiones 2020.001.30018 (y anteriores) y versiones 2017.011.30188 (y anteriores), carecen de compatibilidad con una comprobaci\u00f3n de integridad. Un atacante no autentificado podr\u00eda aprovechar esta vulnerabilidad para modificar el contenido de un PDF certificado sin invalidar la certificaci\u00f3n. Una explotaci\u00f3n de este problema requiere la interacci\u00f3n del usuario, ya que la v\u00edctima debe abrir el archivo manipulado.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:P/A:N\",\"baseScore\":4.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"NONE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-353\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.011.30059\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"163AD098-8E6F-4710-BBB2-7D20A5ECE010\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.001.30005\",\"versionEndIncluding\":\"20.001.30018\",\"matchCriteriaId\":\"6AA3B8F3-7E2D-4463-AEC6-53AF49EB511F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"8DE0EAFA-C01C-4AF3-A80D-3060C2976176\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"17.011.30059\",\"versionEndIncluding\":\"17.011.30188\",\"matchCriteriaId\":\"E769E3AF-BCD8-4894-A5F3-7318DA56ABF1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*\",\"versionStartIncluding\":\"20.001.30005\",\"versionEndIncluding\":\"20.001.30018\",\"matchCriteriaId\":\"85DA6685-CB53-45D3-B4C3-3486E2439A97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*\",\"versionStartIncluding\":\"15.008.20082\",\"versionEndIncluding\":\"20.013.20074\",\"matchCriteriaId\":\"85092AF3-B5E3-4192-ABA3-C6BEC56E3EEF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"387021A0-AF36-463C-A605-32EA7DAC172E\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2572D17-1DE6-457B-99CC-64AFD54487EA\"}]}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb21-09.html\",\"source\":\"psirt@adobe.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://helpx.adobe.com/security/products/acrobat/apsb21-09.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}"
}
}
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…