CVE-2021-33900 is a critical vulnerability affecting Apache Directory Studio versions 2.0.0.v20210213-M16 and prior, where StartTLS encryption and SASL confidentiality layers fail to apply when SASL authentication mechanisms like DIGEST-MD5 or GSSAPI are used. This allows for unencrypted communication, leading to potential sensitive information disclosure. With a CVSS score of 7.5 (HIGH), it is a network-exploitable vulnerability with low attack complexity, requiring no user interaction or privileges, and could result in complete confidentiality loss. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in the KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.5.3CPE matchmatch criteria | cpe:2.3:a:apache:directory_studio:*:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:apache:directory_studio:2.0.0:milestone1:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:apache:directory_studio:2.0.0:milestone10:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:apache:directory_studio:2.0.0:milestone11:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:apache:directory_studio:2.0.0:milestone12:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.