How severe is CVE-2016-4834?

CVE-2016-4834 has a CVSS 3.x base score of 8.1, 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 none.

Is CVE-2016-4834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4834?

CVE-2016-4834 affects Vtiger Vtiger Crm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4834?

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-2016-4834 published?

CVE-2016-4834 was published on 2016-08-01 and last updated on 2026-06-17.

CVE-2016-4834

CVE-2016-4834 is a high-severity vulnerability in Vtiger Vtiger Crm with a CVSS 3.x base score of 8.1. 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-264.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Vtiger Vtiger Crm
Published: 2016-08-01
Last modified: 2026-06-17

Description

modules/Users/actions/Save.php in Vtiger CRM 6.4.0 and earlier does not properly restrict user-save actions, which allows remote authenticated users to create or modify user accounts via unspecified vectors.

Frequently asked questions

What is CVE-2016-4834?: modules/Users/actions/Save.php in Vtiger CRM 6.4.0 and earlier does not properly restrict user-save actions, which allows remote authenticated users to create or modify user accounts via unspecified vectors.
How severe is CVE-2016-4834?: CVE-2016-4834 has a CVSS 3.x base score of 8.1, 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 none.
Is CVE-2016-4834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4834?: CVE-2016-4834 affects Vtiger Vtiger Crm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4834?: 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-2016-4834 published?: CVE-2016-4834 was published on 2016-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vtiger:vtiger_crm:*:*:*:*:*:*:*:*

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