CVE-2021-33186
HIGHCVSS 7.5/10EPSS 1.02%
Last modified
CVE-2021-33186 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. SerenityOS in test-crypto.cpp contains a stack buffer overflow which could allow attackers to obtain sensitive information.. EPSS estimates a 1.02% chance of exploitation in the next 30 days.
Description
SerenityOS in test-crypto.cpp contains a stack buffer overflow which could allow attackers to obtain sensitive information.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Serenityos | Serenityos | All versions |
References
- https://github.com/SerenityOS/serenity/issues/7072Third Party Advisory
- https://github.com/SerenityOS/serenity/issues/7072Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33186?
SerenityOS in test-crypto.cpp contains a stack buffer overflow which could allow attackers to obtain sensitive information.
How severe is CVE-2021-33186?
CVE-2021-33186 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.02% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33186?
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 2021
- CVE-2021-33180Improper neutralization of special elements used in an SQL c…9.8
- CVE-2021-33181Server-Side Request Forgery (SSRF) vulnerability in webapi c…9.1
- CVE-2021-33182Improper limitation of a pathname to a restricted directory …4.3
- CVE-2021-33183Improper limitation of a pathname to a restricted directory …7.9
- CVE-2021-33184Server-Side request forgery (SSRF) vulnerability in task man…7.7
- CVE-2021-33185SerenityOS contains a buffer overflow in the set_range test …7.5
- CVE-2021-3319DOS: Incorrect 802154 Frame Validation for Omitted Source / …9.8
- CVE-2021-33190In Apache APISIX Dashboard version 2.6, we changed the defau…5.3
- CVE-2021-33191From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol im…9.8
- CVE-2021-33192A vulnerability in the HTML pages of Apache Jena Fuseki allo…6.1
- CVE-2021-33193A crafted method sent through HTTP/2 will bypass validation …7.5
- CVE-2021-33194golang.org/x/net before v0.0.0-20210520170846-37e1c6afe023 a…7.5
Are you affected by CVE-2021-33186?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST