How severe is CVE-2021-29003?

CVE-2021-29003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-29003 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-29003?

CVE-2021-29003 affects Genexis Platinum 4410 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-29003?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-29003 published?

CVE-2021-29003 was published on 2021-04-13 and last updated on 2026-06-17.

CVE-2021-29003

CVE-2021-29003 is a critical-severity vulnerability in Genexis Platinum 4410 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 45% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 45% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Genexis Platinum 4410 Firmware
Published: 2021-04-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-29003?: 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.
How severe is CVE-2021-29003?: CVE-2021-29003 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-29003 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 45% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-29003?: CVE-2021-29003 affects Genexis Platinum 4410 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-29003?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-29003 published?: CVE-2021-29003 was published on 2021-04-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:genexis:platinum_4410_firmware:p4410-v2-1.28:*:*:*:*:*:*:*

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