CVE-2017-3143

mediumpriority · track · 40EPSS 0.183 · 97 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

18.3% (97th) EPSS

CVSS 4.3 · medium

Is it mine?

46 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

An attacker who is able to send and receive messages to an authoritative DNS server and who has knowledge of a valid TSIG key name for the zone and service being targeted may be able to manipulate BIND into accepting an unauthorized dynamic update. Affects BIND 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.05.9mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · ENISA EU

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · security-officer@isc.orgexploitability 3.9 · impact 3.6

v3.05.6mediumCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Psecondary · CVSS-BT (t0sche)

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-592US

exploits (1)

Public proof-of-concept and weaponised exploit code.

saaph/CVE-2017-3143Exploit for TSIG bypass vulnerabilities in Bind (CVE-2017-3143) and Knot DNS (CVE-2017-11104)PoC · poc_in_github

affected products (46)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Avamarall versionscert_bundDEcpe:/a:dell:avamar:-
Dell NetWorker virtualall versionscert_bundDEcpe:/a:dell:networker:virtual
HPE HP-UXall versionscert_bundDEcpe:/o:hp:hp-ux:-
IBM AIXall versionscert_bundDEcpe:/o:ibm:aix:-
Internet Systems Consortium BIND <9.10.5-P2all versionscert_bundDE
Internet Systems Consortium BIND <9.11.1-P2all versionscert_bundDE
Internet Systems Consortium BIND <9.9.10-P2all versionscert_bundDE
Open Source CentOSall versionscert_bundDEcpe:/o:centos:centos:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linux Enterprise Desktopall versionscert_bundDEcpe:/o:suse:linux_enterprise_desktop:-
SUSE Linux Enterprise Serverall versionscert_bundDEcpe:/o:suse:linux_enterprise_server:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Internet Systems Consortium BIND< 9.10.5-P2cert_bundDE
Internet Systems Consortium BIND< 9.11.1-P2cert_bundDE
Internet Systems Consortium BIND< 9.9.10-P2cert_bundDE
ISC BIND 9≤ 9.4.0->9.8.8, 9.9.0->9.9.10-P1, 9.10.0->9.10.5-P1, 9.11.0->9.11.1-P1, 9.9.3-S1->9.9.10-S2, 9.10.5-S1->9.10.5-S2enisa_euvdEU
Internet Systems Consortium BIND≤ 9.8.4fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Special Edition≤ 1.5 «Смоленск»fstec_bduRU

showing 20 of 46

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1191Internet Systems Consortium BIND: Mehrere SchwachstellenDeutsch2017-06-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Internet Systems Consortium BIND ausnutzen, um Sicherheitsvorkehrungen zu umgehen bzw. vertrauliche Informationen offenzulegen oder Daten zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2019-01-16modified 2026-06-17

references (25)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan