How severe is CVE-2023-1539?

CVE-2023-1539 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-1539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1539?

CVE-2023-1539 affects Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1539?

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

When was CVE-2023-1539 published?

CVE-2023-1539 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-1539

CVE-2023-1539 is a medium-severity vulnerability in Answer with a CVSS 3.x base score of 5.3. 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-307.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Answer
Published: 2023-03-21
Last modified: 2026-06-17

Description

Improper Restriction of Excessive Authentication Attempts in GitHub repository answerdev/answer prior to 1.0.6.

Frequently asked questions

What is CVE-2023-1539?: Improper Restriction of Excessive Authentication Attempts in GitHub repository answerdev/answer prior to 1.0.6.
How severe is CVE-2023-1539?: CVE-2023-1539 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-1539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1539?: CVE-2023-1539 affects Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1539 published?: CVE-2023-1539 was published on 2023-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:answer:answer:*:*:*:*:*:*:*:*

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