CVE-2020-24386
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
6.6 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.8%
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).
| CPE | Name | Operator | Version |
|---|---|---|---|
| dovecot:dovecot | dovecot | lt | 2.3.13 |
| debian:debian_linux | debian debian linux | eq | 10.0 |
| fedoraproject:fedora | fedoraproject fedora | eq | 32 |
References
packetstormsecurity.com/files/160842/Dovecot-2.3.11.3-Access-Bypass.html
seclists.org/fulldisclosure/2021/Jan/18
www.openwall.com/lists/oss-security/2021/01/04/4
doc.dovecot.org/configuration_manual/hibernation/
dovecot.org/pipermail/dovecot-news/2021-January/000450.html
dovecot.org/security
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/
security.gentoo.org/glsa/202101-01
www.debian.org/security/2021/dsa-4825
Social References
More
Related
6.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
6.6 Medium
AI Score
Confidence
High
4.9 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:S/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.8%