How severe is CVE-2024-21507?

CVE-2024-21507 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2024-21507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-21507?

CVE-2024-21507 affects Sidorares Mysql2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-21507?

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

Does CVE-2024-21507 have an EU (EUVD) identifier?

Yes. CVE-2024-21507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1251.

When was CVE-2024-21507 published?

CVE-2024-21507 was published on 2024-04-10 and last updated on 2026-06-17.

CVE-2024-21507

CVE-2024-21507 is a medium-severity vulnerability in Sidorares Mysql2 with a CVSS 3.x base score of 6.5. 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: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1251
Weakness: CWE-20
Affected product: Sidorares Mysql2
Published: 2024-04-10
Last modified: 2026-06-17

Description

Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon (:) character within a value of the attacker-crafted key.

Frequently asked questions

What is CVE-2024-21507?: Versions of the package mysql2 before 3.9.3 are vulnerable to Improper Input Validation through the keyFromFields function, resulting in cache poisoning. An attacker can inject a colon (:) character within a value of the attacker-crafted key.
How severe is CVE-2024-21507?: CVE-2024-21507 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2024-21507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-21507?: CVE-2024-21507 affects Sidorares Mysql2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-21507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-21507 have an EU (EUVD) identifier?: Yes. CVE-2024-21507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1251.
When was CVE-2024-21507 published?: CVE-2024-21507 was published on 2024-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sidorares:mysql2:*:*:*:*:*:*:*:*

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