How severe is CVE-2022-24677?

CVE-2022-24677 has a CVSS 3.x base score of 9.8, 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 high, and availability high.

Is CVE-2022-24677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-24677?

CVE-2022-24677 affects Hyphp Hybbs2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-24677?

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-2022-24677 published?

CVE-2022-24677 was published on 2022-02-09 and last updated on 2026-06-17.

CVE-2022-24677

CVE-2022-24677 is a critical-severity vulnerability in Hyphp Hybbs2 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hyphp Hybbs2
Published: 2022-02-09
Last modified: 2026-06-17

Description

Admin.php in HYBBS2 through 2.3.2 allows remote code execution because it writes plugin-related configuration information to conf.php.

Frequently asked questions

What is CVE-2022-24677?: Admin.php in HYBBS2 through 2.3.2 allows remote code execution because it writes plugin-related configuration information to conf.php.
How severe is CVE-2022-24677?: CVE-2022-24677 has a CVSS 3.x base score of 9.8, 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 high, and availability high.
Is CVE-2022-24677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-24677?: CVE-2022-24677 affects Hyphp Hybbs2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-24677?: 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-2022-24677 published?: CVE-2022-24677 was published on 2022-02-09 and last updated on 2026-06-17.

References

https://github.com/hyyyp/HYBBS2/issues/34

Affected products (1)

cpe:2.3:a:hyphp:hybbs2:*:*:*:*:*:*:*:*

More vulnerabilities in Hyphp Hybbs2

CVE-2022-24676 — High (CVSS 8.8): update_code in Admin.php in HYBBS2 through 2.3.2 allows arbitrary file upload via a crafted ZIP archive.

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