CVE-2011-0413

The DHCPv6 server in ISC DHCP 4.0.x and 4.1.x before 4.1.2-P1, 4.0-ESV and 4.1-ESV before 4.1-ESV-R1, and 4.2.x before 4.2.1b1 allows remote attackers to cause a denial of service (assertion failure and daemon crash) by sending a message over IPv6 for a declined and abandoned address.

Published: 2011-01-31 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0413 is rated High Risk (70.5/100): CVSS High severity, with high exploitation likelihood (EPSS 32.75%, 98th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +24.14% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize 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-2011-0413

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 8.61% 32.75% +24.14%
2 2026-04-26 11.25% 8.61% -2.64%
3 2026-03-02 — 11.25% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0413

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C 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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2011-0413

OS Trackers for CVE-2011-0413

vendor priority summary link
debian not yet assigned CVE-2011-0413 not yet assigned priority: Debian including 1 source packages (isc-dhcp), 4 status rows across 4 suites (bookworm, bullseye, sid, trixie): resolved 4. https://security-tracker.debian.org/tracker/CVE-2011-0413
redhat medium — https://access.redhat.com/security/cve/CVE-2011-0413
suse high CVE-2011-0413 severity important: SUSE including 43 source package names (dhcp-4.2.6-7.3, dhcp-4.3.3-10.14.1, …), 75 product×package rows across 29 product lines (SUSE Linux Enterprise Desktop 12, SUSE Linux Enterprise Desktop 12 SP1, … (29 product lines)): Fixed 75. https://www.suse.com/security/cve/CVE-2011-0413/
ubuntu low CVE-2011-0413 low priority: Ubuntu including 3 source packages (dhcp, dhcp3, isc-dhcp), 18 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): DNE 9, not-affected 7, ignored 1, released 1. https://ubuntu.com/security/CVE-2011-0413

Affected software / configurations for CVE-2011-0413

Vendor Product Version Raw CPE
isc dhcp 4.0 cpe:2.3:a:isc:dhcp:4.0:*:*:*:*:*:*:*
isc dhcp 4.0.0 cpe:2.3:a:isc:dhcp:4.0.0:*:*:*:*:*:*:*
isc dhcp 4.0.1 cpe:2.3:a:isc:dhcp:4.0.1:-:*:*:*:*:*:*
isc dhcp 4.0.1 cpe:2.3:a:isc:dhcp:4.0.1:b1:*:*:*:*:*:*
isc dhcp 4.0.1 cpe:2.3:a:isc:dhcp:4.0.1:rc1:*:*:*:*:*:*
isc dhcp 4.0.2 cpe:2.3:a:isc:dhcp:4.0.2:-:*:*:*:*:*:*
isc dhcp 4.0.2 cpe:2.3:a:isc:dhcp:4.0.2:b1:*:*:*:*:*:*
isc dhcp 4.0.2 cpe:2.3:a:isc:dhcp:4.0.2:b2:*:*:*:*:*:*
isc dhcp 4.0.2 cpe:2.3:a:isc:dhcp:4.0.2:b3:*:*:*:*:*:*
isc dhcp 4.0.2 cpe:2.3:a:isc:dhcp:4.0.2:rc1:*:*:*:*:*:*
isc dhcp 4.0.3 cpe:2.3:a:isc:dhcp:4.0.3:-:*:*:*:*:*:*
isc dhcp 4.0.3 cpe:2.3:a:isc:dhcp:4.0.3:b1:*:*:*:*:*:*
isc dhcp 4.0.3 cpe:2.3:a:isc:dhcp:4.0.3:rc1:*:*:*:*:*:*
isc dhcp 4.1.0 cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*
isc dhcp 4.1.1 cpe:2.3:a:isc:dhcp:4.1.1:-:*:*:*:*:*:*
isc dhcp 4.1.1 cpe:2.3:a:isc:dhcp:4.1.1:b1:*:*:*:*:*:*
isc dhcp 4.1.1 cpe:2.3:a:isc:dhcp:4.1.1:b2:*:*:*:*:*:*
isc dhcp 4.1.1 cpe:2.3:a:isc:dhcp:4.1.1:b3:*:*:*:*:*:*
isc dhcp 4.1.1 cpe:2.3:a:isc:dhcp:4.1.1:rc1:*:*:*:*:*:*
isc dhcp 4.1.2 cpe:2.3:a:isc:dhcp:4.1.2:-:*:*:*:*:*:*
isc dhcp 4.0-esv cpe:2.3:a:isc:dhcp:4.0-esv:*:*:*:*:*:*:*
isc dhcp 4.1-esv cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:-:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:a1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:a2:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:b1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:b2:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:p1:*:*:*:*:*:*
isc dhcp 4.2.0 cpe:2.3:a:isc:dhcp:4.2.0:rc1:*:*:*:*:*:*

References for CVE-2011-0413

URL Tags
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053644.html Third Party Advisory
http://secunia.com/advisories/43006 Third Party Advisory
http://secunia.com/advisories/43104 Third Party Advisory
http://secunia.com/advisories/43167 Third Party Advisory
http://secunia.com/advisories/43354 Third Party Advisory
http://secunia.com/advisories/43613 Third Party Advisory
http://securitytracker.com/id?1024999 Third Party Advisory VDB Entry
http://www.debian.org/security/2011/dsa-2184 Third Party Advisory
http://www.isc.org/software/dhcp/advisories/cve-2011-0413 Vendor Advisory
http://www.kb.cert.org/vuls/id/686084 Third Party Advisory US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:022 Third Party Advisory
http://www.osvdb.org/70680 Broken Link
http://www.redhat.com/support/errata/RHSA-2011-0256.html Third Party Advisory
http://www.securityfocus.com/bid/46035 Third Party Advisory VDB Entry
http://www.vupen.com/english/advisories/2011/0235 Permissions Required
http://www.vupen.com/english/advisories/2011/0266 Permissions Required
http://www.vupen.com/english/advisories/2011/0300 Permissions Required
http://www.vupen.com/english/advisories/2011/0400 Permissions Required
http://www.vupen.com/english/advisories/2011/0583 Permissions Required
https://exchange.xforce.ibmcloud.com/vulnerabilities/64959 Third Party Advisory VDB Entry
https://kb.isc.org/article/AA-00456 Vendor Advisory
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