dhcpv6: insufficient checking of DHCP options
Published Nov 27, 2019
9.8
CRITICALCVSS 3.1
EPSS 3.93%
Description
The DHCPv6 client (dhcp6c) as used in the dhcpv6 project through 2011-07-25 allows remote DHCP servers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.
Affected products
-
- Version through 2011-07-25StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Dhcpv6 Project | Dhcpv6 | n/a |
|
Configuration 2
- 4.0
- 5.0
No data.
Red Hat Enterprise Linux 4
dhcpv6
Will not fix
Red Hat Enterprise Linux 5
dhcpv6
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | dhcpv6 | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | dhcpv6 | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.93% (0.03930) | 90.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.93% (0.03930) | 88.99th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.12% (0.01124) | 76.77th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.27% (0.00274) | 68.90th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.32% (0.00321) | 69.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00321) | 65.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (8)
- https://access.redhat.com/security/cve/CVE-2011-2717 Vendor Advisory
- https://access.redhat.com/security/cve/cve-2011-2717 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=725349 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717 x_refsource_MISCIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-2717
- https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2011-2717
- https://www.openwall.com/lists/oss-security/2011/07/26/9 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2011-2717 | Vendor Advisory | |
| https://access.redhat.com/security/cve/cve-2011-2717 | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=725349 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2717 | ||
| https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2011-2717 | ||
| https://www.openwall.com/lists/oss-security/2011/07/26/9 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.