CVE-2020-8618
MEDIUMCVSS 4.9/10EPSS 1.83%
Last modified
CVE-2020-8618 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.. EPSS estimates a 1.83% chance of exploitation in the next 30 days.
Description
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | >= 9.16.0, <= 9.16.3 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Netapp | Steelstore Cloud Integrated Storage | All versions |
| Canonical | Ubuntu Linux | 20.04 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing List, Third Party Advisory
- https://kb.isc.org/docs/cve-2020-8618Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200625-0003/Third Party Advisory
- https://usn.ubuntu.com/4399-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00041.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00044.htmlMailing List, Third Party Advisory
- https://kb.isc.org/docs/cve-2020-8618Vendor Advisory
- https://security.netapp.com/advisory/ntap-20200625-0003/Third Party Advisory
- https://usn.ubuntu.com/4399-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8618?
An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
How severe is CVE-2020-8618?
CVE-2020-8618 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 1.83% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8618?
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.
Related CVEs from 2020
- CVE-2020-8611In Progress MOVEit Transfer 2019.1 before 2019.1.4 and 2019.…8.8
- CVE-2020-8612In Progress MOVEit Transfer 2019.1 before 2019.1.4 and 2019.…9
- CVE-2020-8614An issue was discovered on Askey AP4000W TDC_V1.01.003 devic…9.8
- CVE-2020-8615A CSRF vulnerability in the Tutor LMS plugin before 1.5.3 fo…6.5
- CVE-2020-8616A malicious actor who intentionally exploits this lack of ef…8.6
- CVE-2020-8617Using a specially-crafted message, an attacker may potential…5.9
- CVE-2020-8619In ISC BIND9 versions BIND 9.11.14 -> 9.11.19, BIND 9.14.9 -…4.9
- CVE-2020-8620In BIND 9.15.6 -> 9.16.5, 9.17.0 -> 9.17.3, An attacker who …7.5
- CVE-2020-8621In BIND 9.14.0 -> 9.16.5, 9.17.0 -> 9.17.3, If a server is c…7.5
- CVE-2020-8622In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3…6.5
- CVE-2020-8623In BIND 9.10.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.…7.5
- CVE-2020-8624In BIND 9.9.12 -> 9.9.13, 9.10.7 -> 9.10.8, 9.11.3 -> 9.11.2…4.3
Are you affected by CVE-2020-8618?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST