How severe is CVE-2023-31579?

CVE-2023-31579 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-2023-31579 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31579?

CVE-2023-31579 affects Tangyh Lamp-cloud. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31579?

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-2023-31579 published?

CVE-2023-31579 was published on 2023-11-02 and last updated on 2026-06-17.

CVE-2023-31579

CVE-2023-31579 is a critical-severity vulnerability in Tangyh Lamp-cloud 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Tangyh Lamp-cloud
Published: 2023-11-02
Last modified: 2026-06-17

Description

Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. This vulnerability allows attackers to authenticate to the application via a crafted JWT token.

Frequently asked questions

What is CVE-2023-31579?: Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. This vulnerability allows attackers to authenticate to the application via a crafted JWT token.
How severe is CVE-2023-31579?: CVE-2023-31579 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-2023-31579 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31579?: CVE-2023-31579 affects Tangyh Lamp-cloud. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31579?: 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-2023-31579 published?: CVE-2023-31579 was published on 2023-11-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tangyh:lamp-cloud:*:*:*:*:*:*:*:*

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