CVE-2021-4213
HIGHCVSS 7.5/10EPSS 1.20%
Last modified
CVE-2021-4213 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. EPSS estimates a 1.20% chance of exploitation in the next 30 days.
Description
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
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 |
|---|---|---|
| Dogtagpki | Network Security Services For Java | < 4.9.3 |
| Dogtagpki | Network Security Services For Java | >= 5.0.0, < 5.1.0 |
| Redhat | Enterprise Linux | 8.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://access.redhat.com/security/cve/CVE-2021-4213Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2042900Issue Tracking, Patch, Third Party Advisory
- https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2Patch, Third Party Advisory
- https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-4213Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4213Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2042900Issue Tracking, Patch, Third Party Advisory
- https://github.com/dogtagpki/jss/commit/3aabe0e9d59b0a42e68ac8cd0468f9c5179967d2Patch, Third Party Advisory
- https://github.com/dogtagpki/jss/commit/5922560a78d0dee61af8a33cc9cfbf4cfa291448Patch, Third Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2021-4213Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-4213?
A flaw was found in JSS, where it did not properly free up all memory. Over time, the wasted memory builds up in the server memory, saturating the server’s RAM. This flaw allows an attacker to force the invocation of an out-of-memory process, causing a denial of service.
How severe is CVE-2021-4213?
CVE-2021-4213 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2021-4213?
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-2021-4213?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST