CVE-2020-15466
HIGHCVSS 7.5/10EPSS 3.10%
Last modified
CVE-2020-15466 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.. EPSS estimates a 3.10% chance of exploitation in the next 30 days.
Description
In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wireshark | Wireshark | >= 3.2.0, <= 3.2.4 |
| Opensuse | Leap | 15.1 |
| Opensuse | Leap | 15.2 |
| Debian | Debian Linux | 9.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16029Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202007-13Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-09.htmlVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.htmlMailing List, Third Party Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16029Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202007-13Third Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-09.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15466?
In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.
How severe is CVE-2020-15466?
CVE-2020-15466 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.10% probability of exploitation in the next 30 days.
How do I fix CVE-2020-15466?
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-2020-15466?
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Scan your code nowSource: NVD / NIST