How severe is CVE-2023-1537?

CVE-2023-1537 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-2023-1537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1537?

CVE-2023-1537 affects Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1537?

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-2023-1537 published?

CVE-2023-1537 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-1537

CVE-2023-1537 is a critical-severity vulnerability in Answer 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-294.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-294
Affected product: Answer
Published: 2023-03-21
Last modified: 2026-06-17

Description

Authentication Bypass by Capture-replay in GitHub repository answerdev/answer prior to 1.0.6.

Frequently asked questions

What is CVE-2023-1537?: Authentication Bypass by Capture-replay in GitHub repository answerdev/answer prior to 1.0.6.
How severe is CVE-2023-1537?: CVE-2023-1537 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-2023-1537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1537?: CVE-2023-1537 affects Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1537?: 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-2023-1537 published?: CVE-2023-1537 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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