How severe is CVE-2023-42284?

CVE-2023-42284 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-2023-42284 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-42284?

CVE-2023-42284 affects Tyk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-42284?

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-2023-42284 published?

CVE-2023-42284 was published on 2023-11-07 and last updated on 2026-06-17.

CVE-2023-42284

CVE-2023-42284 is a critical-severity vulnerability in Tyk 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. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Tyk
Published: 2023-11-07
Last modified: 2026-06-17

Description

Blind SQL injection in api_version parameter in Tyk Gateway version 5.0.3 allows attacker to access and dump the database via a crafted SQL query.

Frequently asked questions

What is CVE-2023-42284?: Blind SQL injection in api_version parameter in Tyk Gateway version 5.0.3 allows attacker to access and dump the database via a crafted SQL query.
How severe is CVE-2023-42284?: CVE-2023-42284 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-2023-42284 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-42284?: CVE-2023-42284 affects Tyk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-42284?: 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-2023-42284 published?: CVE-2023-42284 was published on 2023-11-07 and last updated on 2026-06-17.

References

https://github.com/andreysanyuk/CVE-2023-42284

Affected products (1)

cpe:2.3:a:tyk:tyk:5.0.3:*:*:*:*:*:*:*

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