CVE-2015-5477
HIGHCVSS 7.5/10Actively ExploitedEPSS 99.58%
Last modified
CVE-2015-5477 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.. CISA has confirmed active exploitation in the wild. EPSS estimates a 99.58% chance of exploitation in the next 30 days.
Description
named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Juniper | Junos | < 12.1 | — |
| Juniper | Junos | >= 13.1, < 13.2 | — |
| Juniper | Junos | 12.1 | — |
| Juniper | Junos | 12.1r | — |
| Juniper | Junos | 12.1x44 | — |
| Juniper | Junos | 12.1x45 | — |
| Juniper | Junos | 12.1x46 | — |
| Juniper | Junos | 12.1x47 | — |
| Juniper | Junos | 12.3 | — |
| Juniper | Junos | 12.3x48 | — |
| Juniper | Junos | 12.3x50 | — |
| Juniper | Junos | 13.2 | — |
| Juniper | Junos | 13.2x51 | — |
| Juniper | Junos | 14.1 | — |
| Juniper | Junos | 14.1x50 | — |
| Juniper | Junos | 14.1x51 | — |
| Juniper | Junos | 14.1x53 | — |
| Juniper | Junos | 14.2 | — |
| Juniper | Junos | 15.1 | — |
| Juniper | Junos | 15.1x49 | — |
| Juniper | Junos | 15.1x53 | — |
| Fedoraproject | Fedora | 21 | — |
| Fedoraproject | Fedora | 22 | — |
| Redhat | Enterprise Linux | 5.0 | — |
| Redhat | Enterprise Linux | 6.0 | — |
| Redhat | Enterprise Linux | 7.0 | — |
| Redhat | Enterprise Linux Aus | 6.4 | — |
| Redhat | Enterprise Linux Aus | 6.5 | — |
| Redhat | Enterprise Linux Aus | 6.6 | — |
| Debian | Debian Linux | 7.0 | — |
| Debian | Debian Linux | 8.0 | — |
| Oracle | Vm Server | 3.2 | — |
| Oracle | Solaris | 10 | — |
| Oracle | Solaris | 11.2 | — |
| Hp | Hp-Ux | 11.11 | — |
| Hp | Hp-Ux | 11.23 | — |
| Hp | Hp-Ux | 11.31 | — |
| Canonical | Ubuntu Linux | 12.04 | — |
| Netapp | Clustered Data Ontap | All versions | — |
| Apple | Os X Server | 4.1.5 | — |
| Hpe | Dns | 9.2.3 | — |
| Hpe | Dns | 9.3 | — |
| Hp | Openvms | 5.7 | — |
| Hpe | Vcx | < 9.8.18 | — |
| Suse | Linux Enterprise Debuginfo | 11 | Sp3 |
| Opensuse | Evergreen | 11.4 | — |
| Opensuse | Opensuse | 13.1 | — |
| Opensuse | Opensuse | 13.2 | — |
| Suse | Linux Enterprise Desktop | 11 | Sp3 |
| Suse | Linux Enterprise Desktop | 12 | — |
Showing 50 of 58 affected configurations. See NVD for the full list.
References
- https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718Mitigation, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.htmlMailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144000632319155&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144017354030745&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144181171013996&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144294073801304&w=2Mailing List, Third Party Advisory
- https://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://rhn.redhat.com/errata/RHSA-2015-1513.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2015-1514.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2015-1515.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2016-0078.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2016-0079.htmlThird Party Advisory
- https://www.debian.org/security/2015/dsa-3319Mailing List, Third Party Advisory
- https://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.htmlThird Party Advisory
- https://www.securityfocus.com/bid/76092Third Party Advisory
- https://www.securitytracker.com/id/1033100Broken Link
- https://www.ubuntu.com/usn/USN-2693-1Third Party Advisory
- https://kb.isc.org/article/AA-01272Broken Link, Patch, Vendor Advisory
- https://kb.isc.org/article/AA-01305Broken Link
- https://kb.isc.org/article/AA-01306Broken Link
- https://kb.isc.org/article/AA-01307Broken Link
- https://kb.isc.org/article/AA-01438Broken Link
- https://kb.juniper.net/JSA10783Third Party Advisory
- https://security.gentoo.org/glsa/201510-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20160114-0001/Third Party Advisory
- https://support.apple.com/kb/HT205032Third Party Advisory
- https://www.exploit-db.com/exploits/37721/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/37723/Third Party Advisory, VDB Entry
- https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10718Mitigation, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163006.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163007.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/pipermail/package-announce/2015-August/163015.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00043.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00044.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00045.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00048.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2015-08/msg00001.htmlMailing List, Third Party Advisory
- https://lists.opensuse.org/opensuse-security-announce/2016-01/msg00033.htmlMailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144000632319155&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144017354030745&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144181171013996&w=2Mailing List, Third Party Advisory
- https://marc.info/?l=bugtraq&m=144294073801304&w=2Mailing List, Third Party Advisory
- https://packetstormsecurity.com/files/132926/BIND-TKEY-Query-Denial-Of-Service.htmlThird Party Advisory, VDB Entry
- https://rhn.redhat.com/errata/RHSA-2015-1513.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2015-1514.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2015-1515.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2016-0078.htmlThird Party Advisory
- https://rhn.redhat.com/errata/RHSA-2016-0079.htmlThird Party Advisory
- https://www.debian.org/security/2015/dsa-3319Mailing List, Third Party Advisory
- https://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.htmlThird Party Advisory
- https://www.securityfocus.com/bid/76092Third Party Advisory
- https://www.securitytracker.com/id/1033100Broken Link
- https://www.ubuntu.com/usn/USN-2693-1Third Party Advisory
- https://kb.isc.org/article/AA-01272Broken Link, Patch, Vendor Advisory
- https://kb.isc.org/article/AA-01305Broken Link
- https://kb.isc.org/article/AA-01306Broken Link
- https://kb.isc.org/article/AA-01307Broken Link
- https://kb.isc.org/article/AA-01438Broken Link
- https://kb.juniper.net/JSA10783Third Party Advisory
- https://security.gentoo.org/glsa/201510-01Third Party Advisory
- https://security.netapp.com/advisory/ntap-20160114-0001/Third Party Advisory
- https://support.apple.com/kb/HT205032Third Party Advisory
- https://www.exploit-db.com/exploits/37721/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/37723/Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5477US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2015-5477?
named in ISC BIND 9.x before 9.9.7-P2 and 9.10.x before 9.10.2-P3 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via TKEY queries.
How severe is CVE-2015-5477?
CVE-2015-5477 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 99.58% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2015-5477?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2015-5477?
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Scan your code nowSource: NVD / NIST