CVE-2021-42131
CVE-2021-42131 is a high-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 67% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-89.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 67% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Ivanti Avalanche
- Published:
- Last modified:
Description
A SQL Injection vulnerability exists in Ivanti Avalance before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.
Frequently asked questions
- What is CVE-2021-42131?
- A SQL Injection vulnerability exists in Ivanti Avalance before 6.3.3 allows an attacker with access to the Inforail Service to perform privilege escalation.
- How severe is CVE-2021-42131?
- CVE-2021-42131 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-42131 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 67% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-42131?
- CVE-2021-42131 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-42131?
- 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-2021-42131 published?
- CVE-2021-42131 was published on 2021-12-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:ivanti:avalanche:*:*:*:*:*:*:*:*
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