CVE-2003-0849

Exp

Buffer overflow in net.c for cfengine 2.x before 2.0.8 allows remote attackers to execute arbitrary code via certain packets with modified length values, which is trusted by the ReceiveTransaction function when using a buffer provided by the BusyWithConnection function.

Published: 2003-11-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-0849 is rated High Exploit Risk (81.3/100): CVSS High severity, with high exploitation likelihood (EPSS 10.64%, 95th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.95% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2003-0849

EDB-ID Source Kind Published Link
23183 exploit_db edb 2003-11-04 Exploit-DB ↗
105 exploit_db edb 2003-09-27 Exploit-DB ↗
23182 exploit_db edb 2003-09-25 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2003-0849

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 7.68% 10.64% +2.95%
2 2025-03-30 11.87% 7.68% -4.18%
3 2025-03-29 — 11.87% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0849

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0849

Affected software / configurations for CVE-2003-0849

Vendor Product Version Raw CPE
gnu cfengine 2.0.0 cpe:2.3:a:gnu:cfengine:2.0.0:*:*:*:*:*:*:*
gnu cfengine 2.0.1 cpe:2.3:a:gnu:cfengine:2.0.1:*:*:*:*:*:*:*
gnu cfengine 2.0.2 cpe:2.3:a:gnu:cfengine:2.0.2:*:*:*:*:*:*:*
gnu cfengine 2.0.3 cpe:2.3:a:gnu:cfengine:2.0.3:*:*:*:*:*:*:*
gnu cfengine 2.0.4 cpe:2.3:a:gnu:cfengine:2.0.4:*:*:*:*:*:*:*
gnu cfengine 2.0.5 cpe:2.3:a:gnu:cfengine:2.0.5:*:*:*:*:*:*:*
gnu cfengine 2.0.5 cpe:2.3:a:gnu:cfengine:2.0.5:b1:*:*:*:*:*:*
gnu cfengine 2.0.5 cpe:2.3:a:gnu:cfengine:2.0.5:pre:*:*:*:*:*:*
gnu cfengine 2.0.5 cpe:2.3:a:gnu:cfengine:2.0.5:pre2:*:*:*:*:*:*
gnu cfengine 2.0.6 cpe:2.3:a:gnu:cfengine:2.0.6:*:*:*:*:*:*:*
gnu cfengine 2.0.7 cpe:2.3:a:gnu:cfengine:2.0.7:*:*:*:*:*:*:*
gnu cfengine 2.0.7 cpe:2.3:a:gnu:cfengine:2.0.7:p1:*:*:*:*:*:*
gnu cfengine 2.0.7 cpe:2.3:a:gnu:cfengine:2.0.7:p2:*:*:*:*:*:*
gnu cfengine 2.0.7 cpe:2.3:a:gnu:cfengine:2.0.7:p3:*:*:*:*:*:*
gnu cfengine 2.1.0 cpe:2.3:a:gnu:cfengine:2.1.0:a6:*:*:*:*:*:*
gnu cfengine 2.1.0 cpe:2.3:a:gnu:cfengine:2.1.0:a8:*:*:*:*:*:*
gnu cfengine 2.1.0 cpe:2.3:a:gnu:cfengine:2.1.0:a9:*:*:*:*:*:*

References for CVE-2003-0849

cvelogic Threat Intelligence