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Fencer Vulns
medium 5.3

CVE-2023-1539 json

Improper Restriction of Excessive Authentication Attempts in answerdev/answer

published 2023-03-21 3 y ago modified 2026-06-17 4 mo ago also GHSA-g44v-6qfm-f6ch , GO-2023-1657 , EUVD-2023-1008

cvss
5.3
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits
0
none known

Summary

Improper Restriction of Excessive Authentication Attempts in GitHub repository answerdev/answer prior to 1.0.6.

Patch / fix

  • go github.com/answerdev/answer 1.0.6
  • answerdev answerdev/answer 1.0.6

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • huntr.dev https://huntr.dev/bounties/b4df67f4-14ea-4051-97d4-26690c979a28 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
go github.com/answerdev/answer
<1.0.6
1.0.6

Affected products

  • answerdev answerdev/answer

Classification

Weakness
  • CWE-307 Improper Restriction of Excessive Authentication Attempts
  • CWE-804 Guessable CAPTCHA

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.