How severe is CVE-2022-3540?

CVE-2022-3540 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-3540 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3540?

CVE-2022-3540 affects Hunter2 Project Hunter2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-3540?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-3540 published?

CVE-2022-3540 was published on 2022-10-17 and last updated on 2026-06-17.

CVE-2022-3540

CVE-2022-3540 is a medium-severity vulnerability in Hunter2 Project Hunter2 with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Hunter2 Project Hunter2
Published: 2022-10-17
Last modified: 2026-06-17

Description

An issue has been discovered in hunter2 affecting all versions before 2.1.0. Improper handling of auto-completion input allows an authenticated attacker to extract other users email addresses

Frequently asked questions

What is CVE-2022-3540?: An issue has been discovered in hunter2 affecting all versions before 2.1.0. Improper handling of auto-completion input allows an authenticated attacker to extract other users email addresses
How severe is CVE-2022-3540?: CVE-2022-3540 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-3540 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3540?: CVE-2022-3540 affects Hunter2 Project Hunter2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-3540?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3540 published?: CVE-2022-3540 was published on 2022-10-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hunter2_project:hunter2:*:*:*:*:*:*:*:*

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