What is CVE-2020-10879?

CVE-2020-10879 is a critical-severity vulnerability in Rconfig, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-03-23.

How severe is CVE-2020-10879?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2020-10879 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Rconfig

CVE-2020-10879

rConfig before 3.9.5 allows command injection by sending a crafted GET request to lib/crud/search.crud.php since the nodeId parameter is passed directly to the exec function without being escaped.

Vulnerability class: Command Injection (OS Command Injection)

Published 2020-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.839 (99.7th percentile), scored 2026-10-16.

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.839 · newest: 0.839 · change: 0.000

Affected products

Rconfig

Weakness classification (CWE)

CWE-78 — OS Command Injection

Public proof-of-concept exploits

References

github.com/rconfig/rconfig/commit/3385f906427d228c48b914625136bf620f4ca0a9 (Patch)
www.exploit-db.com/exploits/48241 (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2020-10879?: CVE-2020-10879 is a critical-severity vulnerability in Rconfig, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-03-23.
How severe is CVE-2020-10879?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-10879 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.