CVE-2020-4129
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An...
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An unauthenticated attacker could use this vulnerability to mount a brute force attack against the LDAP service. Fixes are available in HCL Domino versions 9.0.1 FP10 IF6, 10.0.1 FP6 and 11.0.1 FP1 and later.
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
NVD Score used
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An unauthenticated attacker could use this vulnerability to mount a brute force attack against the LDAP service. Fixes are available in HCL Domino versions 9.0.1 FP10 IF6, 10.0.1 FP6 and 11.0.1 FP1 and later.
- Record
CVE-2020-4129- 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 - Updated
- 2026-11-02
CVE List No score
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An unauthenticated attacker could use this vulnerability to mount a brute force attack against the LDAP service. Fixes are available in HCL Domino versions 9.0.1 FP10 IF6, 10.0.1 FP6 and 11.0.1 FP1 and later.
- Record
CVE-2020-4129- Updated
- 2026-11-02
EUVDEUVD-2020-25376 No score
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An unauthenticated attacker could use this vulnerability to mount a brute force attack against the LDAP service. Fixes are available in HCL Domino versions 9.0.1 FP10 IF6, 10.0.1 FP6 and 11.0.1 FP1 and later.
- Record
EUVD-2020-25376- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qmmq-6cfg-qc67 No score
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An...
HCL Domino is susceptible to a lockout policy bypass vulnerability in the LDAP service. An unauthenticated attacker could use this vulnerability to mount a brute force attack against the LDAP service. Fixes are available in HCL Domino versions 9.0.1 FP10 IF6, 10.0.1 FP6 and 11.0.1 FP1 and later.
- Record
GHSA-qmmq-6cfg-qc67- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-4129 is a medium vulnerability (CVSS 5.3) in Hcl Domino, published November 30, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.