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Fencer Vulns
high 7.5

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

References

Sources

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.