Resource exhaustion in Oracle Enterprise_manager_ops_center

CVE-2021-33503

An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL w…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.032 (86.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-33503?
CVE-2021-33503 is a high-severity vulnerability in Oracle Enterprise_manager_ops_center, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-06-29.
How severe is CVE-2021-33503?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-33503 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.