How severe is CVE-2023-1538?

CVE-2023-1538 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 low, integrity none, and availability none.

Is CVE-2023-1538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1538?

CVE-2023-1538 affects Answer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1538?

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

When was CVE-2023-1538 published?

CVE-2023-1538 was published on 2023-03-21 and last updated on 2026-06-17.

CVE-2023-1538

CVE-2023-1538 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Answer
Published: 2023-03-21
Last modified: 2026-06-17

Description

Observable Timing Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.

Frequently asked questions

What is CVE-2023-1538?: Observable Timing Discrepancy in GitHub repository answerdev/answer prior to 1.0.6.
How severe is CVE-2023-1538?: CVE-2023-1538 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 low, integrity none, and availability none.
Is CVE-2023-1538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1538?: CVE-2023-1538 affects Answer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1538?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-1538 published?: CVE-2023-1538 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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