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Fencer Intel
critical 9.8

CVE-2020-8637 json

A SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in dragdroptreenodes.php via the node_i…

published 6y ago modified 4mo ago also EUVD-2020-29485

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

A SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in dragdroptreenodes.php via the node_id parameter.

Patch / fix

Is CVE-2020-8637 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

2.94% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • ackcent.com https://ackcent.com/blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection/ 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 Intel 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.