Vulnerability Report

CVE-2013-4758

Title: Rsyslog RCE

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2013-4758.

CWE Category CWE-399

Published Date Oct 04, 2013

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

2.33%

Vulnerability Summary

CVE-2013-4758: Double free vulnerability in the writeDataError function in the ElasticSearch plugin (omelasticsearch) in rsyslog before 7.4.2 and before 7.5.2 devel, when errorfile is set to local logging, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted JSON response.

Impacted Vendors

rsyslog 1

Reference Links

http://www.openwall.com/lists/oss-security/2013/07/05/2 http://www.rsyslog.com/rsyslog-7-4-2-v7-stable-released/ http://www.rsyslog.com/rsyslog-7-5-2-v7-devel-released/ http://www.openwall.com/lists/oss-security/2013/07/05/2 http://www.rsyslog.com/rsyslog-7-4-2-v7-stable-released/ http://www.rsyslog.com/rsyslog-7-5-2-v7-devel-released/

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-4758 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

October 04, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.