CVE-2020-25507 json
An incorrect permission assignment during the installation script of TeamworkCloud 18.0 thru 19.0 allows a local unprivileged attacker to e…
published 2020-12-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18192
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
An incorrect permission assignment during the installation script of TeamworkCloud 18.0 thru 19.0 allows a local unprivileged attacker to execute arbitrary code as root. During installation, the user is instructed to set the system enviroment file with world writable permissions (0777 /etc/environment). Any local unprivileged user can execute arbitrary code simply by writing to /etc/environment, which will force all users, including root, to execute arbitrary code during the next login or reboot. In addition, the entire home directory of the twcloud user at /home/twcloud is recursively given world writable permissions. This allows any local unprivileged attacker to execute arbitrary code, as twcloud. This product was previous named Cameo Enterprise Data Warehouse (CEDW).
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/sickcodes/security/blob/master/advisories/SICK-2020-002.md referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
github.com
/sickcodes/security/blob/master/advisories/SICK-2020-002.md
exploit, third-party-advisory
-
docs.nomagic.com
/display/TWCloud190/Installation+on+Linux+using+scripts
third-party-advisory
- sick.codes /sick-2020-002/
- community.nomagic.com /finding-and-fixing-wrong-file-permission-twc-installation-t7165.html
- sick.codes /finding-a-vulnerability-in-teamwork-cloud-server-nomagic-3ds-which-is-used-by-gov-enterprise-to-design-rocket
- web.archive.org /web/20201219155833/https://docs.nomagic.com/pages/viewpage.action?pageId=20846937
- web.archive.org /web/20201219095507/https://docs.nomagic.com/display/TWCloud185SP1/Installation+on+Centos+7.
Sources
- CVE List CVE-2020-25507
- NVD CVE-2020-25507
Fencer Vulns 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.