CVE-2022-25903
CVE-2022-25903 is a high-severity vulnerability in Opcua Project Opcua with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Opcua Project Opcua
- Published:
- Last modified:
Description
The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.
Frequently asked questions
- What is CVE-2022-25903?
- The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) via the ExtensionObjects and Variants objects, when it allows unlimited nesting levels, which could result in a stack overflow even if the message size is less than the maximum allowed.
- How severe is CVE-2022-25903?
- CVE-2022-25903 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-25903 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-25903?
- CVE-2022-25903 affects Opcua Project Opcua. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-25903?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2022-25903 published?
- CVE-2022-25903 was published on 2022-08-24 and last updated on 2026-06-17.
References
- https://github.com/locka99/opcua/pull/216
- https://github.com/locka99/opcua/pull/216/commits/e75dada28a40c3fefc4aeee4cdc272e1b748f8dd
- https://security.snyk.io/vuln/SNYK-RUST-OPCUA-2988750
Affected products (1)
- cpe:2.3:a:opcua_project:opcua:*:*:*:*:*:rust:*:*
More vulnerabilities in Opcua Project Opcua
- CVE-2022-25888 — High (CVSS 7.5): The package opcua from 0.0.0 are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of…
- CVE-2022-25304 — High (CVSS 7.5): All versions of package opcua; all versions of package asyncua are vulnerable to Denial of Service (DoS) due to a…
All CVEs affecting Opcua Project Opcua →
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