CVE-2021-23335 LDAP Injection
Attackers can exploit LDAP injection in the is-user-valid library to bypass authentication or expose sensitive information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23335?
CVE-2021-23335 is a high-severity authentication bypass vulnerability in is-user-valid, published on 11 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of package is-user-valid are vulnerable to LDAP Injection which can lead to either authentication bypass or information exposure.
Weakness: CWE-74
Which versions are affected by CVE-2021-23335?
2 open source packages ship an affected version, including is-user-valid. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
is-user-valid npm | All versions to 1.1.2 | None |
is-user-valid npm | All versions to 1.1.2 | None |
Products include Is-User-Valid Project Is-User-Valid.
How do I fix CVE-2021-23335?
No fix has been published for CVE-2021-23335 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-23335 being exploited?
There is no known exploitation of CVE-2021-23335 in the wild and no public exploit code.
Sources
Also known as GHSA-22cm-3qf2-2wc7.