How severe is CVE-2024-42639?

CVE-2024-42639 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-2024-42639 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42639?

CVE-2024-42639 affects H3c Gr1100-p Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42639?

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-2024-42639 have an EU (EUVD) identifier?

Yes. CVE-2024-42639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39735.

When was CVE-2024-42639 published?

CVE-2024-42639 was published on 2024-08-16 and last updated on 2026-06-17.

CVE-2024-42639

CVE-2024-42639 is a critical-severity vulnerability in H3c Gr1100-p 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-259.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39735
Weakness: CWE-259
Affected product: H3c Gr1100-p Firmware
Published: 2024-08-16
Last modified: 2026-06-17

Description

H3C GR1100-P v100R009 was discovered to use a hardcoded password in /etc/shadow, which allows attackers to log in as root.

Frequently asked questions

What is CVE-2024-42639?: H3C GR1100-P v100R009 was discovered to use a hardcoded password in /etc/shadow, which allows attackers to log in as root.
How severe is CVE-2024-42639?: CVE-2024-42639 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-2024-42639 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42639?: CVE-2024-42639 affects H3c Gr1100-p Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42639?: 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-2024-42639 have an EU (EUVD) identifier?: Yes. CVE-2024-42639 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39735.
When was CVE-2024-42639 published?: CVE-2024-42639 was published on 2024-08-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:h3c:gr1100-p_firmware:100r009:*:*:*:*:*:*:*

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