CVE-2020-24838
CVE-2020-24838 is a high-severity vulnerability in Issuer Project Issuer 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-190.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Issuer Project Issuer
- Published:
- Last modified:
Description
An integer overflow has been found in the the latest version of Issuer. The total issuedCount can be zero if the parameter is overly large. An attacker can obtain the private key of the owner issued with a certain 'amount', and the issuedCount can be zero if there is an overflow.
Frequently asked questions
- What is CVE-2020-24838?
- An integer overflow has been found in the the latest version of Issuer. The total issuedCount can be zero if the parameter is overly large. An attacker can obtain the private key of the owner issued with a certain 'amount', and the issuedCount can be zero if there is an overflow.
- How severe is CVE-2020-24838?
- CVE-2020-24838 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-2020-24838 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-24838?
- CVE-2020-24838 affects Issuer Project Issuer. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-24838?
- 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-2020-24838 published?
- CVE-2020-24838 was published on 2021-02-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:issuer_project:issuer:-:*:*:*:*:*:*:*
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