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Fencer Vulns
critical 9.8

CVE-2024-42639 json

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

published 2024-08-16 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39735

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits
0
none known

Summary

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • palm-vertebra-fe9.notion.site https://palm-vertebra-fe9.notion.site/H3C-GR1100-PV100R009-was-discovered-to-contain-a-hardcoded-824141daa44f4c52a914860c6e4a7684 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • h3c gr-1100-p

Classification

Weakness
  • CWE-259 Use of Hard-coded Password

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.