CVE-2023-46259
CVE-2023-46259 is a critical-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-787.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 11% (95th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Ivanti Avalanche
- Published:
- Last modified:
Description
An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.
Frequently asked questions
- What is CVE-2023-46259?
- An attacker sending specially crafted data packets to the Mobile Device Server can cause memory corruption which could result to a Denial of Service (DoS) or code execution.
- How severe is CVE-2023-46259?
- CVE-2023-46259 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-46259 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-46259?
- CVE-2023-46259 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-46259?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-46259 published?
- CVE-2023-46259 was published on 2023-12-19 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ivanti:avalanche:*:*:*:*:premise:*:*:*
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