CVE-2021-38542 : Apache James prior to release 3.6.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. This

Apache James prior to release 3.6.1 is vulnerable to a buffering attack relying on the use of the STARTTLS command. This can result in Man-in -the-middle command injection attacks, leading potentially to leakage of sensible information.

Published 2022-01-04 09:15:07

Updated 2022-10-27 11:39:19

Source Apache Software Foundation

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-38542

EPSS FAQ

0.08%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-38542

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:P/I:N/A:N	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.9	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N	2.2	3.6	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-38542

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Assigned by: security@apache.org (Secondary)

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-38542

http://www.openwall.com/lists/oss-security/2022/01/04/1

oss-security - CVE-2021-38542: Apache James vulnerable to STARTTLS command injection (IMAP and POP3)
Mailing List;Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/01/04/1

oss-security - CVE-2021-38542: Apache James vulnerable to STARTTLS command injection (IMAP and POP3)
Mailing List;Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/09/20/1

oss-security - CVE-2022-28220: STARTTLS command injection in Apache JAMES
Mailing List;Third Party Advisory

CVEs referencing this url

Products affected by CVE-2021-38542

Apache » James
Versions before (<) 3.6.1
cpe:2.3:a:apache:james:*:*:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2021-38542

Exploit prediction scoring system (EPSS) score for CVE-2021-38542

CVSS scores for CVE-2021-38542

CWE ids for CVE-2021-38542

References for CVE-2021-38542

Products affected by CVE-2021-38542