How severe is CVE-2021-29005?

CVE-2021-29005 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-2021-29005 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29005?

CVE-2021-29005 affects Rconfig. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29005?

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-2021-29005 published?

CVE-2021-29005 was published on 2021-10-11 and last updated on 2026-07-05.

CVE-2021-29005

CVE-2021-29005 is a high-severity vulnerability in Rconfig 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-276.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-276
Affected product: Rconfig
Published: 2021-10-11
Last modified: 2026-07-05

Description

Insecure permission of chmod command on rConfig server 3.9.6 exists. After installing rConfig apache user may execute chmod as root without password which may let an attacker with low privilege to gain root access on server.

Frequently asked questions

What is CVE-2021-29005?: Insecure permission of chmod command on rConfig server 3.9.6 exists. After installing rConfig apache user may execute chmod as root without password which may let an attacker with low privilege to gain root access on server.
How severe is CVE-2021-29005?: CVE-2021-29005 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-2021-29005 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29005?: CVE-2021-29005 affects Rconfig. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29005?: 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-2021-29005 published?: CVE-2021-29005 was published on 2021-10-11 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:rconfig:rconfig:3.9.6:*:*:*:*:*:*:*

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