CVE-2021-38371

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
The STARTTLS feature in Exim through 4.94.2 allows response injection (buffering) during MTA SMTP sending.
Overview
  • CVE ID
  • CVE-2021-38371
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-10T15:15:08
  • Last Modified Date
  • 2021-08-20T17:32:30
Weakness Enumerations
CWE URL
CWE-74 http://cwe.mitre.org/data/definitions/74.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* 1 OR 4.94.2
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.exim.org Product
https://nostarttls.secvuln.info Tool Signature
https://www.exim.org/static/doc/security/CVE-2021-38371.txt Broken Link Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-38371
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38371
History
Created Old Value New Value Data Type Notes
2022-05-10 06:56:34 Added to TrackCVE
2022-12-05 07:48:01 2021-08-10T15:15Z 2021-08-10T15:15:08 CVE Published Date updated
2022-12-05 07:48:01 2021-08-20T17:32:30 CVE Modified Date updated
2022-12-05 07:48:01 Analyzed Vulnerability Status updated