CVE-2020-28200

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-28200
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.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

4.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://dovecot.org/security Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
https://www.openwall.com/lists/oss-security/2021/06/28/3 Mailing List Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
History

07 Nov 2023, 03:21

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/', 'name': 'FEDORA-2021-891c1ab1ac', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/', 'name': 'FEDORA-2021-208340a217', 'tags': ['Mailing List', 'Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ -

03 May 2022, 16:04

Type Values Removed Values Added
CWE CWE-697 CWE-770

20 Sep 2021, 18:52

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/ - Mailing List, Third Party Advisory
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/ - Mailing List, Third Party Advisory
CPE cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

02 Jul 2021, 13:28

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.0
v3 : 4.3
CPE cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*
CWE CWE-697
References (MISC) https://dovecot.org/security - (MISC) https://dovecot.org/security - Vendor Advisory
References (CONFIRM) https://www.openwall.com/lists/oss-security/2021/06/28/3 - (CONFIRM) https://www.openwall.com/lists/oss-security/2021/06/28/3 - Mailing List, Third Party Advisory

28 Jun 2021, 13:21

Type Values Removed Values Added
New CVE
Information

Published : 2021-06-28 13:15

Updated : 2023-12-10 13:55

NVD link : CVE-2020-28200

Mitre link : CVE-2020-28200

CVE.ORG link : CVE-2020-28200

JSON object : View

Products Affected

dovecot

  • dovecot

fedoraproject

  • fedora
CWE
CWE-770

Allocation of Resources Without Limits or Throttling