Detections
Analytics

Alpine: multiple dovecot packages: security update to 2.3.15-r0

medium Tenable Cloud Security Plugin ID 423869

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

 - Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick
 OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs
 during use of local JWT validation with the posix fs driver. (CVE-2021-29157)

 - 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. (CVE-2021-33515)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-29157

https://security.alpinelinux.org/vuln/CVE-2021-33515

Plugin Details

Severity: Medium

ID: 423869

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2021-33515

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2021-29157

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 6/28/2021

Reference Information

CVE: CVE-2021-29157, CVE-2021-33515