Vulnerability CVE-2020-28200


Published: 2021-06-28

Description:
The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension.

Type:

CWE-697

(Insufficient Comparison)

CVSS2 => (AV:N/AC:L/Au:S/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Dovecot -> Dovecot 

 References:
https://dovecot.org/security
https://www.openwall.com/lists/oss-security/2021/06/28/3

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