CVE-2020-6831 (GCVE-0-2020-6831)
Vulnerability from cvelistv5 – Published: 2020-05-26 17:05 – Updated: 2024-08-04 09:11
VLAI
EPSS
VEX
Summary
A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Severity
9.8 (Critical)
CWE
- Buffer overflow in SCTP chunk input validation
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://www.mozilla.org/security/advisories/mfsa2… | x_refsource_MISC |
| https://www.mozilla.org/security/advisories/mfsa2… | x_refsource_MISC |
| https://www.mozilla.org/security/advisories/mfsa2… | x_refsource_MISC |
| https://bugzilla.mozilla.org/show_bug.cgi?id=1632241 | x_refsource_MISC |
| https://usn.ubuntu.com/4373-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://security.gentoo.org/glsa/202005-03 | x_refsource_MISC |
| https://security.gentoo.org/glsa/202005-04 | x_refsource_MISC |
| https://www.debian.org/security/2020/dsa-4714 | vendor-advisoryx_refsource_DEBIAN |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| http://packetstormsecurity.com/files/158480/usrsc… | x_refsource_MISC |
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Mozilla | Firefox ESR |
Affected:
unspecified , < 68.8
(custom)
|
guessed | |
| Mozilla | Firefox |
Affected:
unspecified , < 76
(custom)
|
guessed | |
| Mozilla | Thunderbird |
Affected:
unspecified , < 68.8.0
(custom)
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T09:11:05.112Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"name": "USN-4373-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"name": "DSA-4714",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"name": "openSUSE-SU-2020:0917",
"tags": [
"vendor-advisory",
"x_refsource_SUSE",
"x_transferred"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "Firefox ESR",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "68.8",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "76",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "Thunderbird",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "68.8.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Buffer overflow in SCTP chunk input validation",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2020-07-20T20:06:26.000Z",
"orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"shortName": "mozilla"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"name": "USN-4373-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"name": "DSA-4714",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"name": "openSUSE-SU-2020:0917",
"tags": [
"vendor-advisory",
"x_refsource_SUSE"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@mozilla.org",
"ID": "CVE-2020-6831",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Firefox ESR",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "68.8"
}
]
}
},
{
"product_name": "Firefox",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "76"
}
]
}
},
{
"product_name": "Thunderbird",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "68.8.0"
}
]
}
}
]
},
"vendor_name": "Mozilla"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Buffer overflow in SCTP chunk input validation"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.mozilla.org/security/advisories/mfsa2020-18/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2020-16/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2020-17/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241",
"refsource": "MISC",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"name": "USN-4373-1",
"refsource": "UBUNTU",
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"name": "https://security.gentoo.org/glsa/202005-03",
"refsource": "MISC",
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"name": "https://security.gentoo.org/glsa/202005-04",
"refsource": "MISC",
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"name": "DSA-4714",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"name": "openSUSE-SU-2020:0917",
"refsource": "SUSE",
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"name": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html",
"refsource": "MISC",
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
"assignerShortName": "mozilla",
"cveId": "CVE-2020-6831",
"datePublished": "2020-05-26T17:05:57.000Z",
"dateReserved": "2020-01-10T00:00:00.000Z",
"dateUpdated": "2024-08-04T09:11:05.112Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2020-6831",
"date": "2026-09-19",
"epss": "0.05803",
"percentile": "0.92781"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5D1E5067-8D55-4C70-B5D2-31BAB1D22F50",
"versionEndExcluding": "76.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B606E5B1-C0CA-4673-9FBA-59E0C869F2C4",
"versionEndExcluding": "68.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E93B3D35-5D8E-4583-922F-D391CB7B992D",
"versionEndExcluding": "68.8.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
"matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0."
},
{
"lang": "es",
"value": "Podr\u00eda presentarse un desbordamiento del b\u00fafer cuando se analizan y comprueban fragmentos SCTP en WebRTC. Esto podr\u00eda haber provocado una corrupci\u00f3n en la memoria y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.8, Firefox versiones anteriores a 76 y Thunderbird versiones anteriores a 68.8.0."
}
],
"id": "CVE-2020-6831",
"lastModified": "2024-11-21T05:36:15.383",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-05-26T18:15:11.513",
"references": [
{
"source": "security@mozilla.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
},
{
"source": "security@mozilla.org",
"tags": [
"Permissions Required"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"source": "security@mozilla.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
}
],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"matchCriteriaId": "5D1E5067-8D55-4C70-B5D2-31BAB1D22F50",
"versionEndExcluding": "76.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B606E5B1-C0CA-4673-9FBA-59E0C869F2C4",
"versionEndExcluding": "68.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"matchCriteriaId": "E93B3D35-5D8E-4583-922F-D391CB7B992D",
"versionEndExcluding": "68.8.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"matchCriteriaId": "A31C8344-3E02-4EB8-8BD8-4C84B7959624",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "902B8056-9E37-443B-8905-8AA93E2447FB",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*",
"matchCriteriaId": "B009C22E-30A4-4288-BCF6-C3E81DEAF45A",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow could occur when parsing and validating SCTP chunks in WebRTC. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0."
},
{
"lang": "es",
"value": "Podr\u00eda presentarse un desbordamiento del b\u00fafer cuando se analizan y comprueban fragmentos SCTP en WebRTC. Esto podr\u00eda haber provocado una corrupci\u00f3n en la memoria y un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR versiones anteriores a 68.8, Firefox versiones anteriores a 76 y Thunderbird versiones anteriores a 68.8.0."
}
],
"id": "CVE-2020-6831",
"lastModified": "2024-11-21T05:36:15.383",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-05-26T18:15:11.513",
"references": [
{
"source": "security@mozilla.org",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
},
{
"source": "security@mozilla.org",
"tags": [
"Permissions Required"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"source": "security@mozilla.org",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"source": "security@mozilla.org",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"source": "security@mozilla.org",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00000.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://packetstormsecurity.com/files/158480/usrsctp-Stack-Buffer-Overflow.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Permissions Required"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1632241"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-03"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202005-04"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4373-1/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2020/dsa-4714"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-16/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-17/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2020-18/"
}
],
"sourceIdentifier": "security@mozilla.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T07:39:40+00:00",
"cve": "CVE-2020-6831",
"id": "CVE-2020-6831",
"initial_release_date": "2020-05-05T00:00:00+00:00",
"product_status:fixed": "152",
"product_status:known_affected": "2",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "usrsctp: Buffer overflow in AUTH chunk input validation",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-6831.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "important",
"current_release_date": "2026-09-08T00:23:04Z",
"cve": "CVE-2020-6831",
"id": "CVE-2020-6831",
"initial_release_date": "2023-02-15T04:02:03Z",
"product_status:known_affected": "25",
"product_status:recommended": "389",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2020-6831",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-6831.json",
"version": "22"
}
}
}
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…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…