How severe is CVE-2020-7706?

CVE-2020-7706 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-2020-7706 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7706?

CVE-2020-7706 affects Connie-lang Project Connie-lang. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7706?

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-2020-7706 published?

CVE-2020-7706 was published on 2020-08-18 and last updated on 2026-06-17.

CVE-2020-7706

CVE-2020-7706 is a critical-severity vulnerability in Connie-lang Project Connie-lang 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. The underlying weakness is classified as CWE-1321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Connie-lang Project Connie-lang
Published: 2020-08-18
Last modified: 2026-06-17

Description

The package connie-lang before 0.1.1 are vulnerable to Prototype Pollution in the configuration language library used by connie.

Frequently asked questions

What is CVE-2020-7706?: The package connie-lang before 0.1.1 are vulnerable to Prototype Pollution in the configuration language library used by connie.
How severe is CVE-2020-7706?: CVE-2020-7706 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-2020-7706 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7706?: CVE-2020-7706 affects Connie-lang Project Connie-lang. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7706?: 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-2020-7706 published?: CVE-2020-7706 was published on 2020-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:connie-lang_project:connie-lang:*:*:*:*:*:*:*:*

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