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CVE-2021-29157

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.3.15 之前版本存在路径遍历漏洞，有权访问本地文件系统的攻击者从攻击者控制的位置诱骗 OAuth2 身份验证使用 HS256 验证密钥。

CVSS 7.5 · High EPSS 0.47% · P40

Possible ATT&CK Techniques 1 AI

T1556.006 · Multi-Factor Authentication
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I. Basic Information for CVE-2021-29157

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Dovecot 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dovecot是一款开源的基于类Linux/UNIX系统的IMAP和POP3邮件服务器。 Dovecot 2.3.15 之前版本存在路径遍历漏洞，有权访问本地文件系统的攻击者从攻击者控制的位置诱骗 OAuth2 身份验证使用 HS256 验证密钥。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2021-29157

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-29157

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Vendor Advisories for CVE-2021-29157 (1)

Mailing List Discussions for CVE-2021-29157 (2)

Other References for CVE-2021-29157 (1)

Same Patch Batch · n/a · 2021-06-28 · 29 CVEs total

CVE-2021-23399 7.3 HIGH Arbitrary Command Injection
CVE-2020-28200 4.3 MEDIUM Dovecot 资源管理错误漏洞
CVE-2021-35523 Securepoint SSL VPN Client 访问控制错误漏洞
CVE-2020-21142 IPFire 跨站脚本漏洞
CVE-2021-35298 Zammad 跨站脚本漏洞
CVE-2021-35299 Zammad 日志信息泄露漏洞
CVE-2021-35300 Zammad 注入漏洞
CVE-2021-35301 Zammad 安全漏洞
CVE-2021-35302 Zammad 安全漏洞
CVE-2021-35303 Zammad 跨站脚本漏洞
CVE-2020-22609 Enhancesoft osTicket 跨站脚本漏洞
CVE-2020-22608 Enhancesoft osTicket 跨站脚本漏洞
CVE-2020-22607 LimeSurvey 跨站脚本漏洞
CVE-2021-35525 Roehling PostSRSd 安全漏洞
CVE-2020-20640 ECShop 跨站脚本漏洞
CVE-2020-23715 WebPort 路径遍历漏洞
CVE-2020-23711 NavigateCMS SQL注入漏洞
CVE-2021-34187 Chamilo LMS SQL注入漏洞
CVE-2021-34254 Umbraco 输入验证错误漏洞
CVE-2020-23710 LimeSurvey 跨站脚本漏洞

Showing top 20 of 29 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-29157

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