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Fencer Vulns
critical 9.8

CVE-2021-45814 json

Nettmp NNT 5.1 is affected by a SQL injection vulnerability.

published 2021-12-28 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32532

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Nettmp NNT 5.1 is affected by a SQL injection vulnerability. An attacker can bypass authentication and access the panel with an administrative account.

Timeline

  1. Published
  2. First public exploit (EDB-50627)

Exploit prediction

6.34% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-50627 Nettmp NNT 5.1 - SQLi Authentication Bypass webapps, 2022-01-05
  • drive.google.com https://drive.google.com/file/d/1-WiC1RDbcUqNB5sYd2h2n4rcU873s3gM/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • drive.google.com https://drive.google.com/file/d/1WS_pa2PzLS1EplBu7pjx7hXlyBwCepP9/view?usp=sharing referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/165438/Nettmp-NNT-5.1-SQL-Injection.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

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.