CVE-2021-31411 Insecure temporary directory usage in frontend build functionality of Vaadin 14 and 15-19

2021-05-0518:15:13

CWE-379

Vaadin

www.cve.org

vaadin

insecure temporary directory

frontend build

code injection

CVSS3

6.3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

EPSS

Percentile

5.1%

JSON

Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.

CNA Affected

[
  {
    "product": "Vaadin",
    "vendor": "Vaadin",
    "versions": [
      {
        "changes": [
          {
            "at": "15.0.0",
            "status": "affected"
          },
          {
            "at": "19.0.0",
            "status": "unaffected"
          },
          {
            "at": "19.0.0",
            "status": "affected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "14.0.3",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "flow-server",
    "vendor": "Vaadin",
    "versions": [
      {
        "changes": [
          {
            "at": "3.0.0",
            "status": "affected"
          },
          {
            "at": "6.0.0",
            "status": "unaffected"
          },
          {
            "at": "6.0.0",
            "status": "affected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "2.0.9",
        "versionType": "custom"
      }
    ]
  }
]