rConfig OS Command Injection Vulnerability
rConfig lib/ajaxHandlers/ajaxAddTemplate.php contains an OS command injection vulnerability that allows remote attackers to execute OS commands via shell metacharacters in the fileName POST parameter.
- Vendor
- rConfig
- Product
- rConfig
- CVSS
- 8.8
- EPSS (exploit probability)
- 77.1%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2020-10221 being exploited?
Yes. CISA added CVE-2020-10221 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 77.1% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-10-22. Full cross-catalog view: /kev-comparison
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (181 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other rConfig CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-77914 rConfig Path Traversal — Arbitrary File Read via Export Filenamewrite-up | [ MEDIUM ] | 6.5 | 0.7% | — |
| CVE-2026-77915 rConfig Authentication Bypass — Unauthenticated Admin Registrationwrite-up | [ CRITICAL ] | 9.8 | 0.8% | — |