CVE-2020-8637

FAUCET Score

CVE-2020-8637 is a critical SQL injection vulnerability affecting TestLink version 1.9.20, allowing unauthenticated attackers to execute arbitrary SQL commands through the node_id parameter in dragdroptreenodes.php. With a CVSS score of 9.8, this vulnerability presents a severe risk, enabling full compromise of confidentiality, integrity, and availability. Despite its high severity and ease of exploitation, there is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		1.9.20CPE matchmatch criteria	cpe:2.3:a:testlink:testlink:1.9.20:::::::*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

2.94%

Probability of exploitation in next 30 days

EPSS Percentile

85.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0294 is in the 77th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

ackcent.com / blog/testlink-1.9.20-unrestricted-file-upload-and-sql-injection

ExploitPatchThird Party Advisory

github.com / TestLinkOpenSourceTRMS/testlink-code/commit/d99bd8277d384f3417e917ce20bef5d061110343

PatchThird Party Advisory