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cve[email protected]CVE-2021-4305
HistoryJan 05, 2023 - 11:15 a.m.

CVE-2021-4305

2023-01-0511:15:09
CWE-1333
web.nvd.nist.gov
23
woorank
robots-txt-guard
vulnerability
makepathpattern
regular expression
complexity
patch
c03827cd2f9933619c23894ce7c98401ea824020
vdb-217448
nvd

2.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:M/Au:S/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.9%

A vulnerability was found in Woorank robots-txt-guard. It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The name of the patch is c03827cd2f9933619c23894ce7c98401ea824020. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217448.

Affected configurations

NVD
Node
bridgelinerobots-txt-guardRange<2021-02-07

CNA Affected

[
  {
    "vendor": "Woorank",
    "product": "robots-txt-guard",
    "versions": [
      {
        "version": "n/a",
        "status": "affected"
      }
    ]
  }
]

2.3 Low

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:A/AC:M/Au:S/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

45.9%