How severe is CVE-2020-12273?

CVE-2020-12273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-12273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-12273?

CVE-2020-12273 affects Testlink. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-12273?

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

When was CVE-2020-12273 published?

CVE-2020-12273 was published on 2020-04-27 and last updated on 2026-06-17.

CVE-2020-12273

CVE-2020-12273 is a high-severity vulnerability in Testlink with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Testlink
Published: 2020-04-27
Last modified: 2026-06-17

Description

In TestLink 1.9.20, a crafted login.php viewer parameter exposes cleartext credentials.

Frequently asked questions

What is CVE-2020-12273?: In TestLink 1.9.20, a crafted login.php viewer parameter exposes cleartext credentials.
How severe is CVE-2020-12273?: CVE-2020-12273 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-12273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-12273?: CVE-2020-12273 affects Testlink. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-12273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-12273 published?: CVE-2020-12273 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:*:*:*:*:*:*:*

More vulnerabilities in Testlink

CVE-2007-6006 — Critical (CVSS 10.0): TestLink before 1.7.1 does not enforce an unspecified authorization mechanism, which has unknown impact and attack…
CVE-2020-12274 — Critical (CVSS 9.8): In TestLink 1.9.20, the lib/cfields/cfieldsExport.php goback_url parameter causes a security risk because it depends on…
CVE-2020-8638 — Critical (CVSS 9.8): A SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in planUrgency.php…
CVE-2020-8637 — Critical (CVSS 9.8): A SQL injection vulnerability in TestLink 1.9.20 allows attackers to execute arbitrary SQL commands in…
CVE-2015-7390 — Critical (CVSS 9.8): SQL injection vulnerability in TestLink before 1.9.14 allows remote attackers to execute arbitrary SQL commands via the…
CVE-2014-5308 — Critical (CVSS 9.0): Multiple SQL injection vulnerabilities in TestLink 1.9.11 allow remote authenticated users to execute arbitrary SQL…

All CVEs affecting Testlink →

Other CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities

CVE-2023-6339 — Critical (CVSS 10.0): Google Nest WiFi Pro root code-execution & user-data compromise
CVE-2023-4420 — Critical (CVSS 9.8): A remote unprivileged attacker can intercept the communication via e.g. Man-In-The-Middle, due to the absence of…
CVE-2023-0750 — Critical (CVSS 9.8): Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be…
CVE-2020-15331 — Critical (CVSS 9.8): Zyxel CloudCNM SecuManager 3.1.0 and 3.1.1 has a hardcoded OAUTH_SECRET_KEY in /opt/axess/etc/default/axess.
CVE-2019-3431 — Critical (CVSS 9.8): All versions up to V4.01.01.02 of ZTE ZXCLOUD GoldenData VAP product have encryption problems vulnerability. Attackers…
CVE-2019-12924 — Critical (CVSS 9.8): MailEnable Enterprise Premium 10.23 was vulnerable to XML External Entity Injection (XXE) attacks that could be…

Browse all CWE-311 (Missing Encryption of Sensitive Data) vulnerabilities →