How severe is CVE-2020-36830?

CVE-2020-36830 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2020-36830 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36830?

CVE-2020-36830 affects Nescalante Urlregex. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-36830?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2020-36830 have an EU (EUVD) identifier?

Yes. CVE-2020-36830 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2870.

When was CVE-2020-36830 published?

CVE-2020-36830 was published on 2024-09-02 and last updated on 2026-06-17.

CVE-2020-36830

CVE-2020-36830 is a medium-severity vulnerability in Nescalante Urlregex with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1333.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
CVSS v4: 5.3
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2870
Weakness: CWE-1333
Affected product: Nescalante Urlregex
Published: 2024-09-02
Last modified: 2026-06-17

Description

A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.

Frequently asked questions

What is CVE-2020-36830?: A vulnerability was found in nescalante urlregex up to 0.5.0 and classified as problematic. This issue affects some unknown processing of the file index.js of the component Backtracking. The manipulation leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.5.1 is able to address this issue. The identifier of the patch is e5a085afe6abfaea1d1a78f54c45af9ef43ca1f9. It is recommended to upgrade the affected component.
How severe is CVE-2020-36830?: CVE-2020-36830 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2020-36830 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36830?: CVE-2020-36830 affects Nescalante Urlregex. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36830?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2020-36830 have an EU (EUVD) identifier?: Yes. CVE-2020-36830 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2870.
When was CVE-2020-36830 published?: CVE-2020-36830 was published on 2024-09-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nescalante:urlregex:*:*:*:*:*:*:*:*

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