Resource exhaustion in Freeopcua Opcua-Asyncio
CVE-2023-26151
Versions of the package asyncua before 0.9.96 are vulnerable to Denial of Service (DoS) such that an attacker can send a malformed packet and as a result, the server will enter into an infinite loop and consume excessive memory.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.010 (62.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Freeopcua Opcua-Asyncio
- Asyncua — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.snyk.io/vuln/SNYK-PYTHON-ASYNCUA-5673709 (Exploit, Patch, Third Party Advisory)
- gist.github.com/artfire52/1540b234350795e0ecb4d672608dbec8 (Exploit, Third Party Advisory)
- github.com/FreeOpcUa/opcua-asyncio/issues/1013 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/FreeOpcUa/opcua-asyncio/pull/1039 (Patch)
- github.com/FreeOpcUa/opcua-asyncio/commit/f6603daa34a93a658f0e176cb0b9ee5a6643b… (Patch)
- github.com/FreeOpcUa/opcua-asyncio/releases/tag/v0.9.96 (Product, Release Notes)
Frequently asked questions
- What is CVE-2023-26151?
- CVE-2023-26151 is a medium-severity vulnerability in Freeopcua Opcua-Asyncio, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2023-10-03.
- How severe is CVE-2023-26151?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2023-26151 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.