Skip to content
Fencer Vulns
medium 6.5

CVE-2023-4127 json

Race Condition within a Thread in answerdev/answer

published 2023-08-03 3 y ago modified 2026-06-17 4 mo ago also GHSA-52h8-c876-989c , GO-2023-1995 , EUVD-2023-2210

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

Race Condition within a Thread in GitHub repository answerdev/answer prior to v1.1.1.

Patch / fix

  • go github.com/answerdev/answer 1.1.1
  • answerdev answerdev/answer v1.1.1
  • answer answer 1.1.1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/cf7d19e3-1318-4c77-8366-d8d04a0b41ba referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
go github.com/answerdev/answer
<1.1.1
1.1.1

Affected products

  • answerdev answerdev/answer
  • answer answer

Classification

Weakness
  • CWE-366 Race Condition within a Thread

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.