CVE-2021-4305

low-risk
Published 2023-01-05

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.

Do I need to act?

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0.49% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.5/10 Low
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Robots-Txt-Guard

Affected Vendors

Bridgeline

References (8)

Patch https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98...
Patch https://github.com/Woorank/robots-txt-guard/pull/4
Permissions Required https://vuldb.com/?ctiid.217448
Third Party Advisory https://vuldb.com/?id.217448
Patch https://github.com/Woorank/robots-txt-guard/commit/c03827cd2f9933619c23894ce7c98...
Patch https://github.com/Woorank/robots-txt-guard/pull/4
Permissions Required https://vuldb.com/?ctiid.217448
Third Party Advisory https://vuldb.com/?id.217448
20
/ 100
low-risk
Severity 13/34 · Low
Exploitability 2/34 · Minimal
Exposure 5/34 · Minimal