CVE-2011-2717
9.8
CRITICAL · CVSS 3.1 · EPSS 3.9% (pctl 90)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.93% — more likely to be exploited than 90% of all CVEs |
| Weakness | CWE-74 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-11-27 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| linux | dhcp6c |
| redhat | enterprise linux |
References
- https://access.redhat.com/security/cve/cve-2011-2717
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717
- https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869
- https://www.openwall.com/lists/oss-security/2011/07/26/9
- https://access.redhat.com/security/cve/cve-2011-2717
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717
- https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869
- https://www.openwall.com/lists/oss-security/2011/07/26/9
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