CVE-2023-0739 — Concurrent Execution using Shared Resource with Improper Synchronization ('Race

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in GitHub repository answerdev/answer prior to 1.0.4.

01What is this vulnerability?

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in GitHub repository answerdev/answer prior to 1.0.4.

02Affected products

Vendor	Product	Versions
answerdev	answerdev/answer	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-08T00:00:00.000Z
• Last modified: 2025-03-25T15:48:08.227Z

09References

• huntr.dev — https://huntr.dev/bounties/93d7fac9-50be-4624-9096-45b89fbfd4ae
• github.com — https://github.com/answerdev/answer/commit/1ee34b884b905d14d4db457563176b77a974b…