CVE-2021-22962

CVE-2021-22962 is a critical-severity vulnerability in Ivanti Avalanche with a CVSS 3.x base score of 9.1. Its EPSS exploit-prediction score of 91% places it in the 100th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.

Frequently asked questions

What is CVE-2021-22962?
An attacker can send a specially crafted request which could lead to leakage of sensitive data or potentially a resource-based DoS attack.
How severe is CVE-2021-22962?
CVE-2021-22962 has a CVSS 3.x base score of 9.1, 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 none, and availability high.
Is CVE-2021-22962 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 91% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-22962?
CVE-2021-22962 affects Ivanti Avalanche. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-22962?
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-2021-22962 published?
CVE-2021-22962 was published on 2023-12-19 and last updated on 2026-06-17.

References

Affected products (1)

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