How severe is CVE-2021-22962?

CVE-2021-22962 has a CVSS score of 9.1/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2021-22962?

Affected package information for CVE-2021-22962 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2021-22962?

No fixed version has been published for CVE-2021-22962 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2021-22962 actively exploited in the wild?

No public exploit code has been indexed for CVE-2021-22962 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2021-22962?

CVE-2021-22962 has an EPSS (Exploit Prediction Scoring System) score of 91.0%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Which products and versions are affected by CVE-2021-22962?

CVE-2021-22962 affects ivanti avalanche. Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2021-22962 published, and has it been updated?

CVE-2021-22962 was published on December 19, 2023 and was last updated on November 21, 2024. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2021-22962

CRITICAL

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

Published

Dec 19, 2023

Updated

Nov 21, 2024

Affected

0 pkgs

Patched

None yet

Exploits

None indexed

EPSS Exploitation Probability

via FIRST.org ↗

91.0%probability of exploitation in next 30 days

Very High Risk100th percentile+63.18%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

Description

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

Affected Products

1 product · 1 configurations

Application

avalancheivanti

< 6.4.2

range

Frequently Asked Questions

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

O3 Security · Impact-Aware SCA

Is CVE-2021-22962 in your stack?

O3 detects CVE-2021-22962 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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