CVE-2021-41551 json
Leostream Connection Broker 9.0.40.17 allows administrators to conduct directory traversal attacks by uploading z ZIP file that contains a…
published 4y ago modified 4mo ago also EUVD-2021-28569
- cvss
- 4.9
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
Leostream Connection Broker 9.0.40.17 allows administrators to conduct directory traversal attacks by uploading z ZIP file that contains a symbolic link.
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1.27% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
leostream.com
/resource/leostream-connection-broker-9-0/
release-notes, vendor-advisory
-
leostream.com
/wp-content/uploads/2018/11/Leostream_release_notes.pdf
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-41551
- NVD CVE-2021-41551
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.