How severe is CVE-2020-12274?

CVE-2020-12274 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-12274 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12274?

CVE-2020-12274 affects Testlink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12274?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-12274 published?

CVE-2020-12274 was published on 2020-04-27 and last updated on 2026-06-17.

CVE-2020-12274

CVE-2020-12274 is a critical-severity vulnerability in Testlink with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Testlink
Published: 2020-04-27
Last modified: 2026-06-17

Description

In TestLink 1.9.20, the lib/cfields/cfieldsExport.php goback_url parameter causes a security risk because it depends on client input and is not constrained to lib/cfields/cfieldsView.php at the web site associated with the session.

Frequently asked questions

What is CVE-2020-12274?: In TestLink 1.9.20, the lib/cfields/cfieldsExport.php goback_url parameter causes a security risk because it depends on client input and is not constrained to lib/cfields/cfieldsView.php at the web site associated with the session.
How severe is CVE-2020-12274?: CVE-2020-12274 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-12274 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12274?: CVE-2020-12274 affects Testlink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12274?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-12274 published?: CVE-2020-12274 was published on 2020-04-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:testlink:testlink:1.9.20:*:*:*:*:*:*:*

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