Is CVE-2012-3571 being actively exploited?

CVE-2012-3571 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2012-3571?

CVE-2012-3571 has a CVSS 2.0 base score of 6.1 (MEDIUM).

CVE-2012-3571

MEDIUM · CVSS 6.1EPSS 13.0%EU EUVD

ISC DHCP 4.1.2 through 4.2.4 and 4.1-ESV before 4.1-ESV-R6 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a malformed client identifier.

Key facts

CVSS score: 6.1 (v2.0)
Severity: MEDIUM
CVSS vector: AV:A/AC:L/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-119
EPSS score: 13.0% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2012-3518)
Published: July 25, 2012
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2012-3518 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp
isc / dhcp

References

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761(Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2012-08/msg00030.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1140.html(Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2012-1141.html(Third Party Advisory)
http://security.gentoo.org/glsa/glsa-201301-06.xml(Third Party Advisory)
http://www.debian.org/security/2012/dsa-2516(Third Party Advisory)
http://www.debian.org/security/2012/dsa-2519(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2012:115(Third Party Advisory)
http://www.mandriva.com/security/advisories?name=MDVSA-2012:116(Third Party Advisory)
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html(Third Party Advisory)
http://www.securityfocus.com/bid/54665(Third Party Advisory, VDB Entry)
http://www.ubuntu.com/usn/USN-1519-1(Third Party Advisory)
https://kb.isc.org/article/AA-00712(Vendor Advisory)

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

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