Skip to main content
cvebuzz

CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2021-3997

A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.

CVSS 5.5 · MediumBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first
  • Dangerous privilege escalation bugs found in Linux package manager SnapCSO Online

    Researchers found an easy-to-exploit vulnerability in Snap, a universal application packaging and distribution system developed for Ubuntu but available on multiple Linux distributions. The flaw allows a low-privileged user to execute malicious code as root, the highest administrative account on Linux. The vulnerability, tracked as CVE-2021-44731, is part of a series of flaws that researchers […]

    newswww.csoonline.comFeb 18, 2022, 2:30 PM
  • CVE-2021-44731 Linux privilege escalation bug affects Canonical’s Snap Package ManagerSecurity Affairs

    Qualys experts found a new Linux privilege escalation vulnerability, tracked as CVE-2021-44731, in Canonical’s Snap Package Manager. Canonical’s Snap software packaging and deployment system are affected by multiple vulnerabilities, including a privilege escalation flaw tracked as CVE-2021-44731 (CVSS score 7.8). Snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux […]

    newssecurityaffairs.comFeb 18, 2022, 9:47 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence