How severe is CVE-2021-47208?

CVE-2021-47208 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-2021-47208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-47208?

CVE-2021-47208 affects Mojolicious. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-47208?

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

Does CVE-2021-47208 have an EU (EUVD) identifier?

Yes. CVE-2021-47208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-33856.

When was CVE-2021-47208 published?

CVE-2021-47208 was published on 2024-04-08 and last updated on 2026-06-17.

CVE-2021-47208

CVE-2021-47208 is a medium-severity vulnerability in Mojolicious 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-33856
Weakness: CWE-400
Affected product: Mojolicious
Published: 2024-04-08
Last modified: 2026-06-17

Description

The Mojolicious module before 9.11 for Perl has a bug in format detection that can potentially be exploited for denial of service.

Frequently asked questions

What is CVE-2021-47208?: The Mojolicious module before 9.11 for Perl has a bug in format detection that can potentially be exploited for denial of service.
How severe is CVE-2021-47208?: CVE-2021-47208 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-2021-47208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-47208?: CVE-2021-47208 affects Mojolicious. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-47208?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-47208 have an EU (EUVD) identifier?: Yes. CVE-2021-47208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-33856.
When was CVE-2021-47208 published?: CVE-2021-47208 was published on 2024-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mojolicious:mojolicious:*:*:*:*:*:perl:*:*

More vulnerabilities in Mojolicious

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