How severe is CVE-2019-16639?

CVE-2019-16639 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-2019-16639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16639?

CVE-2019-16639 affects Ruijie Eg-2000se Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16639?

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.

Does CVE-2019-16639 have an EU (EUVD) identifier?

Yes. CVE-2019-16639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19357.

When was CVE-2019-16639 published?

CVE-2019-16639 was published on 2024-07-16 and last updated on 2026-06-17.

CVE-2019-16639

CVE-2019-16639 is a critical-severity vulnerability in Ruijie Eg-2000se Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2019-19357
Weakness: CWE-78
Affected product: Ruijie Eg-2000se Firmware
Published: 2024-07-16
Last modified: 2026-06-17

Description

An issue was found on the Ruijie EG-2000 series gateway. There is a newcli.php API interface without access control, which can allow an attacker (who only has web interface access) to use TELNET commands and/or show admin passwords via the mode_url=exec&command= substring. This affects EG-2000SE EG_RGOS 11.9 B11P1.

Frequently asked questions

What is CVE-2019-16639?: An issue was found on the Ruijie EG-2000 series gateway. There is a newcli.php API interface without access control, which can allow an attacker (who only has web interface access) to use TELNET commands and/or show admin passwords via the mode_url=exec&command= substring. This affects EG-2000SE EG_RGOS 11.9 B11P1.
How severe is CVE-2019-16639?: CVE-2019-16639 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-2019-16639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16639?: CVE-2019-16639 affects Ruijie Eg-2000se Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16639?: 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.
Does CVE-2019-16639 have an EU (EUVD) identifier?: Yes. CVE-2019-16639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2019-19357.
When was CVE-2019-16639 published?: CVE-2019-16639 was published on 2024-07-16 and last updated on 2026-06-17.

References

https://0x.mk/?p=239

Affected products (1)

cpe:2.3:o:ruijie:eg-2000se_firmware:11.9_b11p1:*:*:*:*:*:*:*

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