CVE-2020-28851
HIGHCVSS 7.5/10EPSS 2.30%
Last modified
CVE-2020-28851 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In x/text in Go 1.15.4, an "index out of range" panic occurs in language.ParseAcceptLanguage while parsing the -u- extension. (x/text/language is supposed to be able to parse an HTTP Accept-Language header.). EPSS estimates a 2.30% chance of exploitation in the next 30 days.
Description
In x/text in Go 1.15.4, an "index out of range" panic occurs in language.ParseAcceptLanguage while parsing the -u- extension. (x/text/language is supposed to be able to parse an HTTP Accept-Language header.)
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 | 1.15.4 |
References
- https://github.com/golang/go/issues/42535Exploit, Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210212-0004/Third Party Advisory
- https://github.com/golang/go/issues/42535Exploit, Issue Tracking, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210212-0004/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-28851?
In x/text in Go 1.15.4, an "index out of range" panic occurs in language.ParseAcceptLanguage while parsing the -u- extension. (x/text/language is supposed to be able to parse an HTTP Accept-Language header.)
How severe is CVE-2020-28851?
CVE-2020-28851 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28851?
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.
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Are you affected by CVE-2020-28851?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST