CVE-2017-10983

An FR-GV-206 issue in FreeRADIUS 2.x before 2.2.10 and 3.x before 3.0.15 allows "DHCP - Read overflow when decoding option 63" and a denial of service.

Published: 2017-07-17 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2017-10983 is rated Moderate Risk (58.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.17%). Mandatory action: 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-2017-10983

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 2026-04-23 2.76% 2.17% -0.59%
2 2025-09-24 2.13% 2.76% +0.63%
3 2025-09-14 2.13%

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-10983

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-2017-10983

OS Trackers for CVE-2017-10983

vendor priority summary link
debian not yet assigned CVE-2017-10983 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-2017-10983
redhat medium https://access.redhat.com/security/cve/CVE-2017-10983
suse medium CVE-2017-10983 severity moderate: SUSE including 170 source package names (freeradius-3.0.13-8.el7_4, freeradius-devel-3.0.13-8.el7_4, …), 252 product×package rows across 27 product lines (SUSE Liberty Linux 7, SUSE Linux Enterprise High Performance Computing 12 SP5, … (27 product lines)): Fixed 228, Known Not Affected 24. https://www.suse.com/security/cve/CVE-2017-10983/
ubuntu medium CVE-2017-10983 medium priority: Ubuntu including 1 source packages (freeradius), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 4, ignored 1. https://ubuntu.com/security/CVE-2017-10983

Affected software / configurations for CVE-2017-10983

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:*:*:*:*:*:*:*
freeradius freeradius 3.0.0 cpe:2.3:a:freeradius:freeradius:3.0.0:*:*:*:*:*:*:*
freeradius freeradius 3.0.1 cpe:2.3:a:freeradius:freeradius:3.0.1:*:*:*:*:*:*:*
freeradius freeradius 3.0.2 cpe:2.3:a:freeradius:freeradius:3.0.2:*:*:*:*:*:*:*
freeradius freeradius 3.0.3 cpe:2.3:a:freeradius:freeradius:3.0.3:*:*:*:*:*:*:*
freeradius freeradius 3.0.4 cpe:2.3:a:freeradius:freeradius:3.0.4:*:*:*:*:*:*:*
freeradius freeradius 3.0.5 cpe:2.3:a:freeradius:freeradius:3.0.5:*:*:*:*:*:*:*
freeradius freeradius 3.0.6 cpe:2.3:a:freeradius:freeradius:3.0.6:*:*:*:*:*:*:*
freeradius freeradius 3.0.7 cpe:2.3:a:freeradius:freeradius:3.0.7:*:*:*:*:*:*:*
freeradius freeradius 3.0.8 cpe:2.3:a:freeradius:freeradius:3.0.8:*:*:*:*:*:*:*
freeradius freeradius 3.0.9 cpe:2.3:a:freeradius:freeradius:3.0.9:*:*:*:*:*:*:*
freeradius freeradius 3.0.10 cpe:2.3:a:freeradius:freeradius:3.0.10:*:*:*:*:*:*:*
freeradius freeradius 3.0.11 cpe:2.3:a:freeradius:freeradius:3.0.11:*:*:*:*:*:*:*
freeradius freeradius 3.0.12 cpe:2.3:a:freeradius:freeradius:3.0.12:*:*:*:*:*:*:*
freeradius freeradius 3.0.13 cpe:2.3:a:freeradius:freeradius:3.0.13:*:*:*:*:*:*:*
freeradius freeradius 3.0.14 cpe:2.3:a:freeradius:freeradius:3.0.14:*:*:*:*:*:*:*

References for CVE-2017-10983

cvelogic Threat Intelligence