CVE-2021-33900 StartTLS and SASL confidentiality protection bypass
Attackers can bypass StartTLS and SASL confidentiality protections in Apache Directory Studio, exposing sensitive data in transit.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-33900?
CVE-2021-33900 is a high-severity vulnerability in Apache Directory Studio, published on 26 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
While investigating DIRSTUDIO-1219 it was noticed that configured StartTLS encryption was not applied when any SASL authentication mechanism (DIGEST-MD5, GSSAPI) was used. While investigating DIRSTUDIO-1220 it was noticed that any configured SASL confidentiality layer was not applied. This issue affects Apache Directory Studio version 2.0.0.v20210213-M16 and prior versions.
Which versions are affected by CVE-2021-33900?
2 open source packages ship an affected version, including org.apache.directory.studio:org.apache.directory.studio.parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.directory.studio:org.apache.directory.studio.parent Maven | All versions | 2.0.0.v20210717-M17 |
org.apache.directory.studio:org.apache.directory.studio.parent Maven | All versions | 2.0.0.v20210717-M17 |
Products include Apache Directory Studio.
How do I fix CVE-2021-33900?
Upgrade org.apache.directory.studio:org.apache.directory.studio.parent to 2.0.0.v20210717-M17 or later.
Is CVE-2021-33900 being exploited?
There is no known exploitation of CVE-2021-33900 in the wild and no public exploit code.
Other vulnerabilities in Apache Directory Studio
Sources
Also known as GHSA-4x25-f45x-grv5, UBUNTU-CVE-2021-33900.