CVE-2021-22919
Estado: ModificadaAlta (7.5)—
A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.94%
- Percentil entre todas las CVEs puntuadas: 60
- Fecha de la puntuación: 1/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (4)
CWE
- CWE-770
- CWE-770
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-22919",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "support@hackerone.com",
"affectedData": [
{
"vendor": "n/a",
"product": "Citrix ADC, Citrix Gateway, Citrix SD-WAN WANOP",
"versions": [
{
"status": "affected",
"version": "Citrix ADC and Citrix Gateway 13.0-82.45 and later releases of 13.0 Citrix ADC and Citrix Gateway 12.1-62.27 and later releases of 12.1 Citrix ADC and NetScaler Gateway 11.1-65.22 and later releases of 11.1 Citrix ADC 12.1-FIPS 12.1-55.247 and later releases of 12.1-FIPS Citrix SD-WAN WANOP Edition 11.4.0a and later releases of 11.4 Citrix SD-WAN WANOP Edition 11.3.2a and later releases of 11.3 Citrix SD-WAN WANOP Edition 11.2.3b and later releases of 11.2 Citrix SD-WAN WANOP Edition 10.2.9b and later releases of 10.2"
}
]
}
]
}
],
"published": "2021-08-05T21:15:10.997",
"references": [
{
"url": "https://support.citrix.com/article/CTX319135",
"tags": [
"Vendor Advisory"
],
"source": "support@hackerone.com"
},
{
"url": "https://support.citrix.com/article/CTX319135",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "support@hackerone.com",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been discovered in Citrix ADC (formerly known as NetScaler ADC) and Citrix Gateway (formerly known as NetScaler Gateway), and Citrix SD-WAN WANOP Edition models 4000-WO, 4100-WO, 5000-WO, and 5100-WO. These vulnerabilities, if exploited, could lead to the limited available disk space on the appliances being fully consumed."
},
{
"lang": "es",
"value": "Se ha detectado una vulnerabilidad en Citrix ADC (conocido anteriormente como NetScaler ADC) y Citrix Gateway (conocido anteriormente como NetScaler Gateway), y en los modelos 4000-WO, 4100-WO, 5000-WO y 5100-WO de Citrix SD-WAN WANOP Edition. Estas vulnerabilidades, si son explotadas, podrían conllevar a el consumo total del limitado espacio de disco disponible en los dispositivos"
}
],
"lastModified": "2026-06-17T03:38:01.453",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "92AEAC43-113D-456B-89C0-1872A67224AC",
"versionEndExcluding": "11.1-65.22",
"versionStartIncluding": "11.1"
},
{
"criteria": "cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40FC22F7-EA37-48D7-822D-B66EE2B25FE2",
"versionEndExcluding": "12.1-62.27",
"versionStartIncluding": "12.1"
},
{
"criteria": "cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A1035921-397B-4E88-AF1A-DF581B75B4B2",
"versionEndExcluding": "13.0-82.45",
"versionStartIncluding": "13.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:citrix:application_delivery_controller:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "80E69E10-6F40-4FE4-9D84-F6C25EAB79D8"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:citrix:application_delivery_controller_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8BEBCAD2-581F-4217-8425-46C03584E673",
"versionEndExcluding": "12.1-55.238",
"versionStartIncluding": "12.1"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:citrix:mpx\\/sdx_14030_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "BCB11BC1-0702-436F-BFE2-14B38B118D99"
},
{
"criteria": "cpe:2.3:h:citrix:mpx\\/sdx_14060_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "8569B182-D0A7-414B-B0A3-4DD2FAB44F69"
},
{
"criteria": "cpe:2.3:h:citrix:mpx\\/sdx_14080_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "ABB9B3E9-EED4-4D74-BE4C-DFAFAB1F0994"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15030-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F60729DF-EDC8-4462-ABD2-6E4199F22701"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15040-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B789F02A-56CB-4871-9D9D-FAB0F31A72A1"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15060-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "06699186-E7E4-463C-8844-77B2A750B985"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15080-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F00DBEBF-29BE-4D6A-BF79-19208AAB0D7F"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15100-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "848169A6-CAD7-4E14-BC5D-B2E94DC93CCB"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_15120-50g_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "3C69709C-885A-4F19-899D-A7B5CE7066EF"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_8905_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "6B2136C1-8AB6-4C70-87F4-1F8A93A876C9"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_8910_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "492323D2-339D-404C-BB9B-E09ABB87FA2B"
},
{
"criteria": "cpe:2.3:h:citrix:mpx_8920_fips:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "AB83185D-DD6F-47CD-B500-499F9EF65093"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "4564E909-7F8E-40DF-B941-FFACC03B97B7",
"versionEndExcluding": "12.1-62.27",
"versionStartIncluding": "12.1"
},
{
"criteria": "cpe:2.3:a:citrix:gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FB5357D6-4995-4966-8B63-11E636AD58BC",
"versionEndExcluding": "13.0-82.45",
"versionStartIncluding": "13.0"
},
{
"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CE3B890B-5A0E-4B5A-A9E1-0C6DDF9524E6",
"versionEndExcluding": "11.1-65.22",
"versionStartIncluding": "11.1"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A9B222CD-3235-4153-97B0-D8F6FF1FB7BE",
"versionEndExcluding": "10.2.9.b",
"versionStartIncluding": "10.2"
},
{
"criteria": "cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "22226FCE-A3D3-4FAB-909A-7922AAC3035A",
"versionEndExcluding": "11.2.3.b",
"versionStartIncluding": "11.2"
},
{
"criteria": "cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C0A54438-E0DA-4134-87FE-D7BFE30A3BAA",
"versionEndExcluding": "11.3.2.a",
"versionStartIncluding": "11.3"
},
{
"criteria": "cpe:2.3:o:citrix:sd-wan_wanop:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB0A1FE7-9F5D-476E-A3E0-2B6260DE0366",
"versionEndExcluding": "11.4.0.a",
"versionStartIncluding": "11.4"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:citrix:4000-wo:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "25C848BC-98F7-41D4-A262-8B7EB304F4C1"
},
{
"criteria": "cpe:2.3:h:citrix:4100-wo:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "F3979EFF-AE6E-4274-97E2-58C7E01C920E"
},
{
"criteria": "cpe:2.3:h:citrix:5000-wo:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C87AF39E-6BCF-4188-BAB1-A5CBDEBF662E"
},
{
"criteria": "cpe:2.3:h:citrix:5100-wo:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "38514675-1C15-460C-B34C-2633A8A36A78"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "support@hackerone.com"
}