7.5
CVE-2021-40839
- EPSS 13.84%
- Published 10.09.2021 02:15:07
- Last modified 21.11.2024 06:24:53
- Source cve@mitre.org
- CVE-Watchlists
- Open
LoginThe rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.
Data is provided by the National Vulnerability Database (NVD)
Rencode Project ≫ Rencode SwPlatformpython Version <= 1.0.6
Fedoraproject ≫ Fedora Version34
Fedoraproject ≫ Fedora Version35
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 13.84% | 0.936 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 7.5 | 3.9 | 3.6 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
|
| nvd@nist.gov | 5 | 10 | 2.9 |
AV:N/AC:L/Au:N/C:N/I:N/A:P
|
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.