UpHeron
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Servers and applications

CVE-2020-24386

An issue was discovered in Dovecot before 2.3.13. By using IMAP IDLE, an authenticated attacker can trigger unhibernation via attacker-controlled parameters, leading to access to other users' email messages (and path disclosure).

Severity
Medium 6.8
Published
4 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.13
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • From 2.2.26 before 2.3.13

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-24386
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-24386