FKIE_CVE-2026-0516

Vulnerability from fkie_nvd - Published: 2026-08-05 13:20 - Updated: 2026-08-05 20:17
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains.
References
PSIRT@sonicwall.comhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0009
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "platforms": [
            "Linux"
          ],
          "product": "SonicOS",
          "vendor": "SonicWall",
          "versions": [
            {
              "status": "affected",
              "version": "6.5.5.2-28n and older versions"
            },
            {
              "status": "affected",
              "version": "7.0.1-5169 and older versions"
            },
            {
              "status": "affected",
              "version": "7.3.3-7015 and older versions"
            },
            {
              "status": "affected",
              "version": "8.2.1-8010 and older versions"
            }
          ]
        }
      ],
      "source": "PSIRT@sonicwall.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper neutralization of HTTP Headers for Scripting Syntax vulnerability in SonicOS could allow a remote attacker to manipulate the Host header and redirect firewall management users to arbitrary web domains."
    }
  ],
  "id": "CVE-2026-0516",
  "lastModified": "2026-08-05T20:17:04.437",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-0516",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-08-05T19:30:25.010309Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-05T13:20:33.670",
  "references": [
    {
      "source": "PSIRT@sonicwall.com",
      "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0009"
    }
  ],
  "sourceIdentifier": "PSIRT@sonicwall.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-644"
        }
      ],
      "source": "PSIRT@sonicwall.com",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.