CVE-2017-10981

An FR-GV-204 issue in FreeRADIUS 2.x before 2.2.10 allows "DHCP - Memory leak in fr_dhcp_decode()" and a denial of service.

Published: 2017-07-17 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-10981 is rated Moderate Risk (58.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.59%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-10981

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-24 1.22% 1.59% +0.37%
2 2025-09-14 1.14% 1.22% +0.09%
3 2025-06-19 — 1.14% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-10981

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2017-10981

OS Trackers for CVE-2017-10981

vendor priority summary link
debian not yet assigned CVE-2017-10981 not yet assigned priority: Debian including 1 source packages (freeradius), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-10981
redhat medium — https://access.redhat.com/security/cve/CVE-2017-10981
ubuntu medium CVE-2017-10981 medium priority: Ubuntu including 1 source packages (freeradius), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 3, ignored 1, not-affected 1. https://ubuntu.com/security/CVE-2017-10981

Affected software / configurations for CVE-2017-10981

Vendor Product Version Raw CPE
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:*:*:*:*:*:*:*
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:pre1:*:*:*:*:*:*
freeradius freeradius 2.0.0 cpe:2.3:a:freeradius:freeradius:2.0.0:pre2:*:*:*:*:*:*
freeradius freeradius 2.0.1 cpe:2.3:a:freeradius:freeradius:2.0.1:*:*:*:*:*:*:*
freeradius freeradius 2.0.2 cpe:2.3:a:freeradius:freeradius:2.0.2:*:*:*:*:*:*:*
freeradius freeradius 2.0.3 cpe:2.3:a:freeradius:freeradius:2.0.3:*:*:*:*:*:*:*
freeradius freeradius 2.0.4 cpe:2.3:a:freeradius:freeradius:2.0.4:*:*:*:*:*:*:*
freeradius freeradius 2.0.5 cpe:2.3:a:freeradius:freeradius:2.0.5:*:*:*:*:*:*:*
freeradius freeradius 2.1.0 cpe:2.3:a:freeradius:freeradius:2.1.0:*:*:*:*:*:*:*
freeradius freeradius 2.1.1 cpe:2.3:a:freeradius:freeradius:2.1.1:*:*:*:*:*:*:*
freeradius freeradius 2.1.2 cpe:2.3:a:freeradius:freeradius:2.1.2:*:*:*:*:*:*:*
freeradius freeradius 2.1.3 cpe:2.3:a:freeradius:freeradius:2.1.3:*:*:*:*:*:*:*
freeradius freeradius 2.1.4 cpe:2.3:a:freeradius:freeradius:2.1.4:*:*:*:*:*:*:*
freeradius freeradius 2.1.6 cpe:2.3:a:freeradius:freeradius:2.1.6:*:*:*:*:*:*:*
freeradius freeradius 2.1.7 cpe:2.3:a:freeradius:freeradius:2.1.7:*:*:*:*:*:*:*
freeradius freeradius 2.1.8 cpe:2.3:a:freeradius:freeradius:2.1.8:*:*:*:*:*:*:*
freeradius freeradius 2.1.9 cpe:2.3:a:freeradius:freeradius:2.1.9:*:*:*:*:*:*:*
freeradius freeradius 2.1.10 cpe:2.3:a:freeradius:freeradius:2.1.10:*:*:*:*:*:*:*
freeradius freeradius 2.1.11 cpe:2.3:a:freeradius:freeradius:2.1.11:*:*:*:*:*:*:*
freeradius freeradius 2.1.12 cpe:2.3:a:freeradius:freeradius:2.1.12:*:*:*:*:*:*:*
freeradius freeradius 2.2.0 cpe:2.3:a:freeradius:freeradius:2.2.0:*:*:*:*:*:*:*
freeradius freeradius 2.2.1 cpe:2.3:a:freeradius:freeradius:2.2.1:*:*:*:*:*:*:*
freeradius freeradius 2.2.2 cpe:2.3:a:freeradius:freeradius:2.2.2:*:*:*:*:*:*:*
freeradius freeradius 2.2.3 cpe:2.3:a:freeradius:freeradius:2.2.3:*:*:*:*:*:*:*
freeradius freeradius 2.2.4 cpe:2.3:a:freeradius:freeradius:2.2.4:*:*:*:*:*:*:*
freeradius freeradius 2.2.5 cpe:2.3:a:freeradius:freeradius:2.2.5:*:*:*:*:*:*:*
freeradius freeradius 2.2.6 cpe:2.3:a:freeradius:freeradius:2.2.6:*:*:*:*:*:*:*
freeradius freeradius 2.2.7 cpe:2.3:a:freeradius:freeradius:2.2.7:*:*:*:*:*:*:*
freeradius freeradius 2.2.8 cpe:2.3:a:freeradius:freeradius:2.2.8:*:*:*:*:*:*:*
freeradius freeradius 2.2.9 cpe:2.3:a:freeradius:freeradius:2.2.9:*:*:*:*:*:*:*

References for CVE-2017-10981

cvelogic Threat Intelligence