How severe is CVE-2020-14414?

CVE-2020-14414 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-14414 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-14414?

CVE-2020-14414 affects Nedi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-14414?

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-2020-14414 published?

CVE-2020-14414 was published on 2020-06-29 and last updated on 2026-06-17.

CVE-2020-14414

CVE-2020-14414 is a high-severity vulnerability in Nedi with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Nedi
Published: 2020-06-29
Last modified: 2026-06-17

Description

NeDi 1.9C is vulnerable to Remote Command Execution. pwsec.php improperly escapes shell metacharacters from a POST request. An attacker can exploit this by crafting an arbitrary payload (any system commands) that contains shell metacharacters via a POST request with a pw parameter. (This can also be exploited via CSRF.)

Frequently asked questions

What is CVE-2020-14414?: NeDi 1.9C is vulnerable to Remote Command Execution. pwsec.php improperly escapes shell metacharacters from a POST request. An attacker can exploit this by crafting an arbitrary payload (any system commands) that contains shell metacharacters via a POST request with a pw parameter. (This can also be exploited via CSRF.)
How severe is CVE-2020-14414?: CVE-2020-14414 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-14414 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-14414?: CVE-2020-14414 affects Nedi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-14414?: 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-2020-14414 published?: CVE-2020-14414 was published on 2020-06-29 and last updated on 2026-06-17.

References

https://gist.github.com/farid007/a3d96d305f028d221f729eb6ae681f5a

Affected products (1)

cpe:2.3:a:nedi:nedi:1.9c:*:*:*:*:*:*:*

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