How severe is CVE-2020-23151?

CVE-2020-23151 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-2020-23151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23151?

CVE-2020-23151 affects Rconfig. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23151?

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-2020-23151 published?

CVE-2020-23151 was published on 2021-08-09 and last updated on 2026-06-17.

CVE-2020-23151

CVE-2020-23151 is a critical-severity vulnerability in Rconfig 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Rconfig
Published: 2021-08-09
Last modified: 2026-06-17

Description

rConfig 3.9.5 allows command injection by sending a crafted GET request to lib/ajaxHandlers/ajaxArchiveFiles.php since the path parameter is passed directly to the exec function without being escaped.

Frequently asked questions

What is CVE-2020-23151?: rConfig 3.9.5 allows command injection by sending a crafted GET request to lib/ajaxHandlers/ajaxArchiveFiles.php since the path parameter is passed directly to the exec function without being escaped.
How severe is CVE-2020-23151?: CVE-2020-23151 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-2020-23151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23151?: CVE-2020-23151 affects Rconfig. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23151?: 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-2020-23151 published?: CVE-2020-23151 was published on 2021-08-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rconfig:rconfig:3.9.5:*:*:*:*:*:*:*

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