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

2021-05-0400:00:00

CWE-379

Vaadin

www.cve.org

6.3 Medium

CVSS3

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

0.0004 Low

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"
      }
    ]
  }
]