CVE-2021-20114 json
When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ dire…
published 2021-07-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-7571
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.0%
- EPSS 6.0% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
When installed following the default/recommended settings, TCExam <= 14.8.1 allowed unauthenticated users to access the /cache/backup/ directory, which included sensitive database backup files.
Exploit prediction
5.97% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template TCExam <= 14.8.1 - Sensitive Information Exposure nuclei detection template
- tenable.com https://www.tenable.com/security/research/tra-2021-32 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- n/a TCExam
Classification
- Weakness
-
- CWE-425 Direct Request
References
-
tenable.com
/security/research/tra-2021-32
exploit, third-party-advisory
Sources
- CVE List CVE-2021-20114
- NVD CVE-2021-20114
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