CVE-2010-2448

znc.cpp in ZNC before 0.092 allows remote authenticated users to cause a denial of service (crash) by requesting traffic statistics when there is an active unauthenticated connection, which triggers a NULL pointer dereference, as demonstrated using (1) a traffic link in the web administration pages or (2) the traffic command in the /znc shell.

Published: 2010-07-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2010-2448 is rated Moderate Risk (41.1/100): CVSS Low severity, with medium exploitation likelihood (EPSS 1.25%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2010-2448

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 2025-03-30 1.27% 1.25% -0.02%
2 2025-03-29 1.25% 1.27% +0.02%
3 2025-03-17 — 1.25% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-2448

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.5 2.0 LOW
AV:N/AC:M/Au:S/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.8 2.9 [email protected]

Weakness enumeration for CVE-2010-2448

OS Trackers for CVE-2010-2448

vendor priority summary link
ubuntu medium CVE-2010-2448 medium priority: Ubuntu including 1 source packages (znc), 11 status rows across 11 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, upstream): released 7, ignored 3, DNE 1. https://ubuntu.com/security/CVE-2010-2448

NVD evaluator notes for CVE-2010-2448

Comment: Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Affected software / configurations for CVE-2010-2448

Vendor Product Version Raw CPE
znc znc <= 0.090 cpe:2.3:a:znc:znc:*:*:*:*:*:*:*:*
znc znc 0.034 cpe:2.3:a:znc:znc:0.034:*:*:*:*:*:*:*
znc znc 0.041 cpe:2.3:a:znc:znc:0.041:*:*:*:*:*:*:*
znc znc 0.043 cpe:2.3:a:znc:znc:0.043:*:*:*:*:*:*:*
znc znc 0.044 cpe:2.3:a:znc:znc:0.044:*:*:*:*:*:*:*
znc znc 0.045 cpe:2.3:a:znc:znc:0.045:*:*:*:*:*:*:*
znc znc 0.047 cpe:2.3:a:znc:znc:0.047:*:*:*:*:*:*:*
znc znc 0.050 cpe:2.3:a:znc:znc:0.050:*:*:*:*:*:*:*
znc znc 0.052 cpe:2.3:a:znc:znc:0.052:*:*:*:*:*:*:*
znc znc 0.054 cpe:2.3:a:znc:znc:0.054:*:*:*:*:*:*:*
znc znc 0.056 cpe:2.3:a:znc:znc:0.056:*:*:*:*:*:*:*
znc znc 0.058 cpe:2.3:a:znc:znc:0.058:*:*:*:*:*:*:*
znc znc 0.060 cpe:2.3:a:znc:znc:0.060:*:*:*:*:*:*:*
znc znc 0.062 cpe:2.3:a:znc:znc:0.062:*:*:*:*:*:*:*
znc znc 0.064 cpe:2.3:a:znc:znc:0.064:*:*:*:*:*:*:*
znc znc 0.066 cpe:2.3:a:znc:znc:0.066:*:*:*:*:*:*:*
znc znc 0.068 cpe:2.3:a:znc:znc:0.068:*:*:*:*:*:*:*
znc znc 0.070 cpe:2.3:a:znc:znc:0.070:*:*:*:*:*:*:*
znc znc 0.072 cpe:2.3:a:znc:znc:0.072:*:*:*:*:*:*:*
znc znc 0.074 cpe:2.3:a:znc:znc:0.074:*:*:*:*:*:*:*
znc znc 0.076 cpe:2.3:a:znc:znc:0.076:*:*:*:*:*:*:*
znc znc 0.078 cpe:2.3:a:znc:znc:0.078:*:*:*:*:*:*:*
znc znc 0.080 cpe:2.3:a:znc:znc:0.080:*:*:*:*:*:*:*

References for CVE-2010-2448

cvelogic Threat Intelligence