CVE-2020-16233
CVE-2020-16233 is a high-severity vulnerability in Wibu Codemeter 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-404.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-404
- Affected product: Wibu Codemeter
- Published:
- Last modified:
Description
An attacker could send a specially crafted packet that could have CodeMeter (All versions prior to 7.10) send back packets containing data from the heap.
Frequently asked questions
- What is CVE-2020-16233?
- An attacker could send a specially crafted packet that could have CodeMeter (All versions prior to 7.10) send back packets containing data from the heap.
- How severe is CVE-2020-16233?
- CVE-2020-16233 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 high, integrity none, and availability none.
- Is CVE-2020-16233 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-16233?
- CVE-2020-16233 affects Wibu Codemeter. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-16233?
- 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-2020-16233 published?
- CVE-2020-16233 was published on 2020-09-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wibu:codemeter:*:*:*:*:*:*:*:*
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- CVE-2020-14517 — Critical (CVSS 9.8): Protocol encryption can be easily broken for CodeMeter (All versions prior to 6.90 are affected, including Version 6.90…
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- CVE-2021-20093 — Critical (CVSS 9.1): A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker…
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