CVE-2022-36980
CVE-2022-36980 is a high-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 8.1. Its EPSS exploit-prediction score of 83% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-367.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- EPSS exploit prediction: 83% (100th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-367
- Affected product: Ivanti Avalanche
- Published:
- Last modified:
Description
This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.
Frequently asked questions
- What is CVE-2022-36980?
- This vulnerability allows remote attackers to bypass authentication on affected installations of Ivanti Avalanche 6.3.2.3490. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the EnterpriseServer service. The issue results from the lack of proper locking when performing operations during authentication. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-15528.
- How severe is CVE-2022-36980?
- CVE-2022-36980 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-36980 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 83% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-36980?
- CVE-2022-36980 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-36980?
- 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-2022-36980 published?
- CVE-2022-36980 was published on 2023-03-29 and last updated on 2026-06-17.
References
- https://download.wavelink.com/Files/avalanche_v6.3.4_release_notes.txt
- https://www.zerodayinitiative.com/advisories/ZDI-22-785/
Affected products (1)
- cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*
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