Review reviewHigh

CVE-2021-29005

rconfig

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.

CVSS
8.8
EPSS
2.14%
80.2% percentile
CISA KEV
Not listed
Published
2021.10.11
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability2.14%
Technical severityCVSS 8.8

Vulnerability overview

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.

Affected product and versions

Product
rconfig
Affected versions
3.9.6
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that rconfig and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-276
CVE-2021-29005 — rconfig | SECUFOCUS NOW