Lucene search

K
cve[email protected]CVE-2021-22920
HistoryAug 05, 2021 - 9:15 p.m.

CVE-2021-22920

2021-08-0521:15:11
CWE-284
web.nvd.nist.gov
50
citrix
adc
gateway
sd-wan
vulnerability
saml authentication
hijack
phishing
cve-2021-22920
nvd

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

6.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.3%

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 a phishing attack through a SAML authentication hijack to steal a valid user session.

Affected configurations

NVD
Node
citrixapplication_delivery_managementMatch12.1-62.25
OR
citrixapplication_delivery_managementMatch13.0-82.42
OR
citrixgatewayMatch12.1-62.25
OR
citrixgatewayMatch13.0-82.42

CNA Affected

[
  {
    "product": "Citrix ADC, Citrix Gateway",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Citrix ADC and Citrix Gateway 13.0-82.45 and later releases of 13.0"
      },
      {
        "status": "affected",
        "version": "Citrix ADC and Citrix Gateway 12.1-62.27 and later releases of 12.1"
      }
    ]
  }
]

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

6.9 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

52.3%

Related for CVE-2021-22920