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Vulnerabilities

Security incident · CVE-2021-25956

In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already exist…

Published Aug 17, 2021 · catalog updated Jun 17, 2026 · the affected product

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-25956. EPSS is 0.94%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.94%
Remediation
Version ranges on file
Affected products
cpe dolibarr/dolibarr · cpe dolibarr/dolibarr erp/crm

In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already existing “Login” name, while renaming the user “Login”. This leads to complete account takeover of the victim user. This happens since the password gets overwritten for the victim user having a similar login name.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe dolibarr/dolibarr>= 3.3.1, <= 13.0.2
  • cpe dolibarr/dolibarr erp/crm3.3.0

How to fix CVE-2021-25956

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-25956. EPSS is 0.94%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Compare what you have installed with dolibarr/dolibarr erp/crm 3.3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 0.94%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Dolibarr security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 17, 2021 · Monitored products — high

    Detected

    In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already existing “Login” name, while renaming the user “Login”. This leads to complete account takeover of the victim user. This happens since the password gets overwritten for the victim user having a similar login name.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already existing “Login” name, while renaming the user “Login”. This leads to complete account takeover of the victim user. This happens since the password gets overwritten for the victim user having a similar login name.

Sources

  • CVE.orgVulnerability recordCVE-2021-25956

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2021-25956

    In “Dolibarr” application, v3.3.beta1_20121221 to v13.0.2 have “Modify” access for admin level users to change other user’s details but fails to validate already existing “Login” name, while renaming the user “Login”. This leads to complete account takeover of the victim user. This happens since the password gets overwritten for the victim user having a similar login name.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 5, 2026
  • Monitored products — highNov 5, 2026