CVE-2021-33194
HIGHCVSS 7.5/10EPSS 7.49%
Last modified
CVE-2021-33194 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.. EPSS estimates a 7.49% chance of exploitation in the next 30 days.
Description
golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.
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 |
|---|---|---|
| Golang | Go | <= 1.15.12 |
| Golang | Go | >= 1.16.0, <= 1.16.4 |
| Fedoraproject | Fedora | 36 |
References
- https://github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7Patch, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/wPunbCPkWUgThird Party Advisory
- https://github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7Patch, Third Party Advisory
- https://groups.google.com/g/golang-announce/c/wPunbCPkWUgThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33194?
golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 allows attackers to cause a denial of service (infinite loop) via crafted ParseFragment input.
How severe is CVE-2021-33194?
CVE-2021-33194 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 7.49% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33194?
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-2021-33194?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST