CVE-2018-13355 json
Incorrect access controls in ajaxdata.php in TerraMaster TOS version 3.1.03 allow attackers to create user groups without proper authorizat…
published 2018-11-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-5299
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 64%
- public exploits
- 0
- none known
Summary
Incorrect access controls in ajaxdata.php in TerraMaster TOS version 3.1.03 allow attackers to create user groups without proper authorization.
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- blog.securityevaluators.com https://blog.securityevaluators.com/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86a referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
blog.securityevaluators.com
/vulnerabilities-in-terramaster-tos-3-1-03-fb99cf88b86a
exploit, third-party-advisory
Sources
- CVE List CVE-2018-13355
- NVD CVE-2018-13355
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.