CVE-2017-9732

The read_packet function in knc (Kerberised NetCat) before 1.11-1 is vulnerable to denial of...

7.5 High

The read_packet function in knc (Kerberised NetCat) before 1.11-1 is vulnerable to denial of service (memory exhaustion) that can be exploited remotely without authentication, possibly affecting another services running on the targeted host.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

4.04%Up 2.7 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2017-9732
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-400
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-9732
Updated: 2026-11-02

EUVDEUVD-2017-18663 No score

Record: EUVD-2017-18663
Updated: 2026-11-03

GitHub AdvisoriesGHSA-wmpq-8mxr-7pxx 7.5

The read_packet function in knc (Kerberised NetCat) before 1.11-1 is vulnerable to denial of...

Record: GHSA-wmpq-8mxr-7pxx
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-400
Updated: 2026-11-02

OSV 7.5

Record: CVE-2017-9732
CVSS 3.0: 7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

secure-endpoints kerberised netcat

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-9732 is a high vulnerability (CVSS 7.5) in Secure-endpoints Kerberised Netcat, published December 20, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.04%, the 90th percentile. No source names a fixed version.