certfr_alerte - certfr-2025-ale-012

CERTFR-2025-ALE-012

Vulnerability from certfr_alerte - Published: 2025-08-26 - Updated: 2025-09-26

Le 26 août 2025, Citrix a publié un bulletin de sécurité (cf. section Documentation) concernant, entre autres, la vulnérabilité CVE-2025-7775.

Celle-ci permet une exécution de code arbitraire à distance et affecte toutes les versions de Citrix NetScaler ADC et NetScaler Gateway, dans certaines configurations détaillées par l'éditeur.

Citrix indique que la vulnérabilité CVE-2025-7775 est activement exploitée.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Le CERT-FR recommande l'application des correctifs dans les plus brefs délais.

Citrix rappelle que les versions 12.1 and 13.0 de NetScaler ADC et NetScaler Gateway sont obsolètes et ne recevront plus de mises à jour de sécurité. L'éditeur recommande de migrer vers une version maintenue et à jour.

Impacted products

Vendor	Product	Description
Citrix	NetScaler Gateway	NetScaler Gateway versions antérieures à 13.1-59.22
Citrix	NetScaler ADC	NetScaler ADC versions antérieures à 14.1-47.48
Citrix	NetScaler ADC	NetScaler ADC versions antérieures à 13.1-59.22
Citrix	NetScaler ADC	NetScaler ADC 12.1-FIPS et 12.1-NDcPP versions antérieures à 12.1-55.330
Citrix	NetScaler Gateway	NetScaler Gateway versions antérieures à 14.1-47.48
Citrix	NetScaler ADC	NetScaler ADC 13.1-FIPS et 13.1-NDcPP versions antérieures à 13.1-37.241

References

Title

Publication Time

Tags

Bulletin de sécurité Citrix CTX694938	2025-08-26	vendor-advisory
Avis CERT-FR CERTFR-2025-AVI-0730 du 26 août 2025	-	other
Compromission d'un équipement de bordure réseau - Endiguement	-	other
Recommendations de Citrix en cas de soupçons de compromission	-	other
Compromission d'un équipement de bordure réseau - Qualification	-	other

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "NetScaler Gateway versions ant\u00e9rieures \u00e0 13.1-59.22",
      "product": {
        "name": "NetScaler Gateway",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions ant\u00e9rieures \u00e0 14.1-47.48",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC versions ant\u00e9rieures \u00e0 13.1-59.22",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC 12.1-FIPS et 12.1-NDcPP versions ant\u00e9rieures \u00e0 12.1-55.330",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler Gateway versions ant\u00e9rieures \u00e0 14.1-47.48",
      "product": {
        "name": "NetScaler Gateway",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    },
    {
      "description": "NetScaler ADC 13.1-FIPS et 13.1-NDcPP versions ant\u00e9rieures \u00e0 13.1-37.241",
      "product": {
        "name": "NetScaler ADC",
        "vendor": {
          "name": "Citrix",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "Citrix rappelle que les versions 12.1 and 13.0 de NetScaler ADC et NetScaler Gateway sont obsol\u00e8tes et ne recevront plus de mises \u00e0 jour de s\u00e9curit\u00e9. L\u0027\u00e9diteur recommande de migrer vers une version maintenue et \u00e0 jour.",
  "closed_at": "2025-09-26",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).\n\nLe CERT-FR recommande l\u0027application des correctifs dans les plus brefs d\u00e9lais.",
  "cves": [
    {
      "name": "CVE-2025-7775",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-7775"
    }
  ],
  "initial_release_date": "2025-08-26T00:00:00",
  "last_revision_date": "2025-09-26T00:00:00",
  "links": [
    {
      "title": "Avis CERT-FR CERTFR-2025-AVI-0730 du 26 ao\u00fbt 2025 ",
      "url": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2025-AVI-0730/"
    },
    {
      "title": "Compromission d\u0027un \u00e9quipement de bordure r\u00e9seau - Endiguement",
      "url": "https://www.cert.ssi.gouv.fr/fiche/CERTFR-2025-RFX-002/"
    },
    {
      "title": "Recommendations de Citrix en cas de soup\u00e7ons de compromission",
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694799"
    },
    {
      "title": "Compromission d\u0027un \u00e9quipement de bordure r\u00e9seau - Qualification",
      "url": "https://www.cert.ssi.gouv.fr/fiche/CERTFR-2025-RFX-001/"
    }
  ],
  "reference": "CERTFR-2025-ALE-012",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-08-26T00:00:00.000000"
    },
    {
      "description": "     Cl\u00f4ture de l\u0027alerte. Cela ne signifie pas la fin d\u0027une menace. Seule l\u0027application de la mise \u00e0 jour permet de vous pr\u00e9munir contre l\u0027exploitation de la vuln\u00e9rabilit\u00e9 correspondante.",
      "revision_date": "2025-09-26T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    }
  ],
  "summary": "Le 26 ao\u00fbt 2025, Citrix a publi\u00e9 un bulletin de s\u00e9curit\u00e9 (cf. section Documentation) concernant, entre autres, la vuln\u00e9rabilit\u00e9 CVE-2025-7775.\n\nCelle-ci permet une ex\u00e9cution de code arbitraire \u00e0 distance et affecte toutes les versions de Citrix NetScaler ADC et NetScaler Gateway, dans certaines configurations d\u00e9taill\u00e9es par l\u0027\u00e9diteur.\n\nCitrix indique que la vuln\u00e9rabilit\u00e9 CVE-2025-7775 est activement exploit\u00e9e.\n\n",
  "title": "Vuln\u00e9rabilit\u00e9 dans Citrix NetScaler ADC et NetScaler Gateway",
  "vendor_advisories": [
    {
      "published_at": "2025-08-26",
      "title": "Bulletin de s\u00e9curit\u00e9 Citrix CTX694938",
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938"
    }
  ]
}

CVE-2025-7775 (GCVE-0-2025-7775)

Vulnerability from cvelistv5 – Published: 2025-08-26 12:56 – Updated: 2025-10-21 22:45

Summary

Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with IPv6 services or servicegroups bound with IPv6 servers (OR) NetScaler ADC and NetScaler Gateway 13.1, 14.1, 13.1-FIPS and NDcPP: LB virtual servers of type (HTTP, SSL or HTTP_QUIC) bound with DBS IPv6 services or servicegroups bound with IPv6 DBS servers (OR) CR virtual server with type HDX

Severity ?

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

Citrix

References

URL

Tags

https://support.citrix.com/support-home/kbsearch/…

Impacted products

Vendor

Product

Version

NetScaler

ADC

Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)

NetScaler

Gateway

Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)

Show details on NVD website

JSON

To clipboard

{
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                  },
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                  }
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        },
        "references": [
          {
            "tags": [
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            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-7775"
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            "value": "CVE-2025-7775 added to CISA KEV"
          }
        ],
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      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ADC",
          "vendor": "NetScaler",
          "versions": [
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              "lessThan": "47.48",
              "status": "affected",
              "version": "14.1",
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            },
            {
              "lessThan": "59.22",
              "status": "affected",
              "version": "13.1",
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            },
            {
              "lessThan": "37.241",
              "status": "affected",
              "version": "13.1 FIPS and NDcPP",
              "versionType": "patch"
            },
            {
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              "status": "affected",
              "version": "12.1 FIPS and NDcPP",
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        },
        {
          "defaultStatus": "unaffected",
          "product": "Gateway",
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          "versions": [
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              "status": "affected",
              "version": "13.1",
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              "status": "affected",
              "version": "13.1 FIPS and NDcPP",
              "versionType": "patch"
            },
            {
              "lessThan": "55.330",
              "status": "affected",
              "version": "12.1 FIPS and NDcPP",
              "versionType": "patch"
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          ]
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      ],
      "datePublic": "2025-08-26T12:52:00.000Z",
      "descriptions": [
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            "attackVector": "NETWORK",
            "baseScore": 9.2,
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      "references": [
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    "dateUpdated": "2025-10-21T22:45:20.444Z",
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

CERTFR-2025-ALE-012

Solutions

CVE-2025-7775 (GCVE-0-2025-7775)

Tags

Sightings

Nomenclature