CVE-2020-7767 Regular Expression Denial of Service (ReDoS)

2020-11-1110:20:21

snyk

www.cve.org

cve-2020-7767

regular expression denial of service

express-validators

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:U/RC:C

EPSS

0.001

Percentile

42.0%

JSON

All versions of package express-validators are vulnerable to Regular Expression Denial of Service (ReDoS) when validating specifically-crafted invalid urls.

CNA Affected

[
  {
    "product": "express-validators",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]