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CVE-2021-25956

Improper User Access Control in "Dolibarr" Leads to Account Takeover

4.7 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.94%Up 0.3 points since Aug 18, 2021
90%50%10%1%

What each source reports

CVE List Score used 4.7

Improper User Access Control in "Dolibarr" Leads to Account Takeover

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.

Record
CVE-2021-25956
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-284
Updated
2026-11-02
EUVDEUVD-2021-2054 4.7

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.

Record
EUVD-2021-2054
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-fjqg-w8g6-hhq8 7.2

Dolibarr vulnerable to Improper Authentication and Improper Access Control

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.

Record
GHSA-fjqg-w8g6-hhq8
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-284, CWE-287
Updated
2026-11-02
NVD 4.7

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.

Record
CVE-2021-25956
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-284
Updated
2026-11-02
OSV 7.2

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.

Record
CVE-2021-25956
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-fjqg-w8g6-hhq8 7.2

Dolibarr vulnerable to Improper Authentication and Improper Access Control

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.

Record
GHSA-fjqg-w8g6-hhq8
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-284, CWE-287
Updated
2026-11-02
OSVUBUNTU-CVE-2021-25956 4.7

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.

Record
UBUNTU-CVE-2021-25956
CVSS 3.1
4.7 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1
7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVBIT-dolibarr-2021-25956 No score

Improper User Access Control in "Dolibarr" Leads to Account Takeover

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.

Record
BIT-dolibarr-2021-25956
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
dolibarr/dolibarr
Packagist
 3.3.beta1 up to 13.0.2
13.0.2
dolibarr
Bitnami
 3.3.0-beta1 to 3.3.0-beta1, 3.3.0-beta2 to 3.3.0-beta2 None known
dolibarr/dolibarr
Packagist
 3.3.beta1 up to 14.0.0, plus listed versions
10.0.010.0.110.0.210.0.310.0.4
Show 45 moreShow less
10.0.510.0.610.0.711.0.011.0.111.0.211.0.311.0.411.0.512.0.012.0.112.0.212.0.312.0.412.0.513.0.013.0.113.0.213.0.313.0.413.0.53.6.03.6.0-beta3.6.13.6.23.6.33.6.43.6.53.6.63.7.03.7.13.7.23.7.33.7.43.8.03.8.0-beta3.8.13.8.23.8.33.8.43.9.03.9.0-rc3.9.0-rc23.9.13.9.2
14.0.0
dolibarr
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.5.5+dfsg1-23.5.7+dfsg1-13.5.8+dfsg1-13.5.8+dfsg1-1ubuntu13.5.8+dfsg1-1ubuntu1+esm1
 None known

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-25956 is a medium vulnerability (CVSS 4.7) in Dolibarr, published August 17, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. Fixed in dolibarr/dolibarr 13.0.2.

References

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Left out here: 52 versions. The JSON record has them.

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