CVE-2021-23335
LDAP Injection
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
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
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
LDAP Injection
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- Record
CVE-2021-23335- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-02
EUVDEUVD-2021-0730
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- Record
EUVD-2021-0730- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-22cm-3qf2-2wc7
LDAP Injection in is-user-valid
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- Record
GHSA-22cm-3qf2-2wc7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-74, CWE-90
- Updated
- 2026-11-02
NVD
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- Record
CVE-2021-23335- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVGHSA-22cm-3qf2-2wc7
LDAP Injection in is-user-valid
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
- Record
GHSA-22cm-3qf2-2wc7- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-74, CWE-90
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
is-user-validnpm | through 1.1.2 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2021-23335 is a high vulnerability (CVSS 7.5) in Is-user-valid Project Is-user-valid, published February 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. No source names a fixed version.