Vulnerability in Cleo
CVE-2022-42966
An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the cleo PyPI package, when an attacker is able to supply arbitrary input to the Table.set_rows method
Vulnerability class: ReDoS (Regular Expression Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000
Affected products
- Cleo — versions 0
- Python-Poetry Cleo
Weakness classification (CWE)
Public proof-of-concept exploits
References
- research.jfrog.com/vulnerabilities/cleo-redos-xray-257186/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-42966?
- CVE-2022-42966 is a medium-severity vulnerability in Cleo, classified under Inefficient Regular Expression Complexity. CVSS score: 5.9/10. Published 2022-11-09.
- How severe is CVE-2022-42966?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2022-42966 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.