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CVE-2021-33515

Date: June 28, 2021

The submission service in Dovecot before 2.3.15 allows STARTTLS command injection in lib-smtp. Sensitive information can be redirected to an attacker-controlled address.

Language: C

Severity Score

Related Resources (16)

https://www.openwall.com/lists/oss-security/2021/06/28/2
https://lists.debian.org/debian-lts-announce/2022/09/msg00032.html
https://security-tracker.debian.org/tracker/CVE-2021-33515
https://dovecot.org/security
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
https://github.com/dovecot/core/commit/65bd1a27a361545c9ccf405b955c72a9c4d29b38
https://security.gentoo.org/glsa/202107-41
https://access.redhat.com/security/cve/CVE-2021-33515
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JB2VTJ3G2ILYWH5Y2FTY2PUHT2MD6VMI/
https://security.archlinux.org/CVE-2021-33515
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
https://security.alpinelinux.org/vuln/CVE-2021-33515
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TK424DWFO2TKJYXZ2H3XL633TYJL4GQN/
https://nvd.nist.gov/vuln/detail/CVE-2021-33515
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-33515
https://www.mend.io/vulnerability-database/CVE-2021-33515

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in a Command ('Command Injection')

CWE-77

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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