CVE-2021-36095
User enumeration issue using "lost password" feature
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
User enumeration issue using "lost password" feature
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
- Record
CVE-2021-36095- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2021-22727
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
- Record
EUVD-2021-22727- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mgr7-vch3-x89h No score
Malicious attacker is able to find out valid user logins by using the "lost password" feature....
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
- Record
GHSA-mgr7-vch3-x89h- Weakness
- CWE-640
- Updated
- 2026-11-02
NVD
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
- Record
CVE-2021-36095- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200, CWE-640
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2021-36095
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
- Record
UBUNTU-CVE-2021-36095- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
otrs2Ubuntu:16.04:LTS |
All versions, plus listed versions 4.0.10-15.0.1-15.0.1-25.0.2-15.0.3-15.0.5-15.0.6-15.0.7-1 |
None known |
otrs2Ubuntu:18.04:LTS |
All versions, plus listed versions 5.0.23-15.0.24-16.0.1-16.0.2-16.0.3-16.0.4-16.0.5-1 |
None known |
otrs2Ubuntu:20.04:LTS |
All versions, plus listed versions 6.0.20-16.0.23-26.0.24-16.0.25-16.0.25-26.0.25-36.0.26-1 |
None known |
otrs2Ubuntu:22.04:LTS |
All versions, plus listed versions 6.0.32-66.1.2-16.2.1-16.2.2-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36095 is a medium vulnerability (CVSS 5.3) in Otrs, published September 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.94%, the 61st percentile. No source names a fixed version.