How severe is CVE-2022-31321?

CVE-2022-31321 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2022-31321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-31321?

CVE-2022-31321 affects Boltcms Bolt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-31321?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-31321 published?

CVE-2022-31321 was published on 2022-08-01 and last updated on 2026-07-05.

CVE-2022-31321

CVE-2022-31321 is a critical-severity vulnerability in Boltcms Bolt with a CVSS 3.x base score of 9.1. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Boltcms Bolt
Published: 2022-08-01
Last modified: 2026-07-05

Description

The foldername parameter in Bolt 5.1.7 was discovered to have incorrect input validation, allowing attackers to perform directory enumeration or cause a Denial of Service (DoS) via a crafted input.

Frequently asked questions

What is CVE-2022-31321?: The foldername parameter in Bolt 5.1.7 was discovered to have incorrect input validation, allowing attackers to perform directory enumeration or cause a Denial of Service (DoS) via a crafted input.
How severe is CVE-2022-31321?: CVE-2022-31321 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2022-31321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-31321?: CVE-2022-31321 affects Boltcms Bolt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-31321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-31321 published?: CVE-2022-31321 was published on 2022-08-01 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:boltcms:bolt:*:*:*:*:*:*:*:*

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