VDB-88551 · CVE-2016-4803 · BID 91529

dotCMS up to 3.3.1 subject crlf injection

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in dotCMS up to 3.3.1 (Content Management System). This affects an unknown functionality. The manipulation of the argument subject with an unknown input leads to a crlf injection vulnerability. CWE is classifying the issue as CWE-93. The software uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

CRLF injection vulnerability in the send email functionality in dotCMS before 3.3.2 allows remote attackers to inject arbitrary email headers via CRLF sequences in the subject.

The weakness was released 06/30/2016 by Elar Lang (Website). It is possible to read the advisory at security.elarlang.eu. This vulnerability is uniquely identified as CVE-2016-4803 since 05/13/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 3.3.2 eliminates this vulnerability.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Crlf injection
CWE: CWE-93 / CWE-74 / CWE-707
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 103306
OpenVAS Name: dotCMS Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dotCMS 3.3.2


05/13/2016 🔍
05/24/2016 +11 days 🔍
06/30/2016 +37 days 🔍
06/30/2016 +0 days 🔍
07/04/2016 +4 days 🔍
02/15/2019 +956 days 🔍


Advisory: security.elarlang.eu
Researcher: Elar Lang
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4803 (🔍)
SecurityFocus: 91529 - dotCMS CVE-2016-4803 Email Header Injection Vulnerability


Created: 07/04/2016 10:07 AM
Updated: 02/15/2019 03:48 PM
Changes: 07/04/2016 10:07 AM (52), 02/15/2019 03:48 PM (15)
Complete: 🔍


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