Is CVE-2011-2717 being actively exploited?

CVE-2011-2717 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-2717?

CVE-2011-2717 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2011-2717

CRITICAL · CVSS 9.8EPSS 3.9%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-74
EPSS score: 3.9% (90th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-2696)
Published: November 27, 2019
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2696 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

linux / dhcp6c
redhat / enterprise linux
redhat / enterprise linux

Certified products that may be affected

14 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 with CPACF - Red Hat®, Inc. - FIPS 140 2798 - historical
Red Hat Enterprise Linux Kernel Crypto API Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2742 - historical
Red Hat Enterprise Linux Libreswan Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2721 - historical
Red Hat Enterprise Linux NSS Cryptographic Module v4.0 - Red Hat®, Inc. - FIPS 140 2711 - historical
Red Hat Enterprise Linux libgcrypt Cryptographic Module v4.0 [1] and Red Hat Enterprise Linux libgcrypt Cryptographic Module v5.0 [2] - Red Hat®, Inc. - FIPS 140 2657 - historical

See all 14 in the Security Certifications Explorer.

References

https://access.redhat.com/security/cve/cve-2011-2717(Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2717(Issue Tracking, Third Party Advisory)
https://vigilance.fr/vulnerability/dhcp6c-shell-command-injection-10869(Third Party Advisory)
https://www.openwall.com/lists/oss-security/2011/07/26/9(Mailing List, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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