CVE-2021-29003
High PUBLISHEDGenexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to execute arbitrary code via shell metacharacters to sys_config_valid.xgi,...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Genexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to execute arbitrary code via shell metacharacters to sys_config_valid.xgi, as demonstrated by the sys_config_valid.xgi?exeshell=%60telnetd%20%26%60 URI.
- CVE Published
- Apr 13, 2021
- Exploitation Reported
- Dec 24, 2025
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- hackerworld.home.blog/2021/03/19/rce-in-genexis-router hackerworld.home.blog · CVE Record https://hackerworld.home.blog/2021/03/19/rce-in-genexis-router/
- packetstormsecurity.com/files/162174/Genexis-PLATINUM-4410-2.1-P4410... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/162174/Genexis-PLATINUM-4410-2.1...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-12-24 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2025-12-24 00:00:00 UTC · The Shadowserver
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 7 months ago00:00 UTC · 7 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
05:40 UTC over 5 years ago05:40 UTC · over 5 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 5 years ago00:00 UTC · over 5 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2021-29003
{
"cve_id": "CVE-2021-29003",
"title": "Genexis PLATINUM 4410 2.1 P4410-V2-1.28 devices allow remote attackers to exe...",
"affected_vendor": "Genexis",
"affected_product": "PLATINUM 4410",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}