7.8

CVE-2011-0413: isc dhcp Improper Input Validation

CVSS: 7.8v2.0HighModified
AliasesRHSA-2011:0256DEBIAN-CVE-2011-0413DSA-2184-1
Published 31-01-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-0413 is a high (CVSS 7.8) Improper Input Validation vulnerability in isc dhcp. EPSS estimates a 32.92% chance of exploitation in the next 30 days, higher than 98.3% of scored vulnerabilities.

Overall risk
38/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
32.92%
0%100%
High · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1

Timeline

  1. 31-01-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

32.92%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

0.00 pp

From 32.92% on 18-09-2026

18-09-202618-10-2026
EPSS score
32.92%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat4 products
  • dhclient< 12:4.1.1-12.P1.el6_0.2
  • dhcp< 12:4.1.1-12.P1.el6_0.2
  • dhcp-debuginfo< 12:4.1.1-12.P1.el6_0.2
  • dhcp-devel< 12:4.1.1-12.P1.el6_0.2
Debian1 product
  • isc-dhcp< 4.1.1-P1-16 | < 4.1.1-P1-15+squeeze1
Isc1 product
  • dhcp4.0 | 4.0.0 | 4.0.1 | 4.0.1:b1 | 4.0.1:rc1 | 4.0.2 | 4.0.2:b1 | 4.0.2:b2 | 4.0.2:b3 | 4.0.2:rc1 | 4.0.3 | 4.0.3:b1 | 4.0.3:rc1 | 4.1.0 | 4.1.1 | 4.1.1:b1 | 4.1.1:b2 | 4.1.1:b3 | 4.1.1:rc1 | 4.1.2 | 4.0-esv | 4.1-esv | 4.2.0 | 4.2.0:a1 | 4.2.0:a2 | 4.2.0:b1 | 4.2.0:b2 | 4.2.0:p1 | 4.2.0:rc1

3 vendors · 6 products

References

29 links
Show all 29 references