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CVE-2020-8638

33
FAUCET Score

CVE-2020-8638 describes a critical SQL injection vulnerability in TestLink version 1.9.20. This flaw allows unauthenticated attackers to execute arbitrary SQL commands through the urgency parameter in planUrgency.php. With a CVSS score of 9.8 (CRITICAL), successful exploitation can lead to complete compromise of confidentiality, integrity, and availability of the affected system. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness among security researchers.

Impacted Technologies

VendorProductVersion(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
1.70%
Probability of exploitation in next 30 days
EPSS Percentile
74.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0170 is in the 63rd 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/58f3cc03d5f81cd5cc2ad8c7ba645cc486cebc05
PatchThird Party Advisory