CVE-2024-21865
CVE-2024-21865 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-1391.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-19476
- Weakness: CWE-1391
- Published:
- Last modified:
Description
HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell.
Frequently asked questions
- What is CVE-2024-21865?
- HGW BL1500HM Ver 002.001.013 and earlier contains a use of week credentials issue. A network-adjacent unauthenticated attacker may connect to the product via SSH and use a shell.
- How severe is CVE-2024-21865?
- CVE-2024-21865 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2024-21865 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2024-21865?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-21865 have an EU (EUVD) identifier?
- Yes. CVE-2024-21865 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-19476.
- When was CVE-2024-21865 published?
- CVE-2024-21865 was published on 2024-03-25 and last updated on 2026-06-17.
References
- https://jvn.jp/en/vu/JVNVU93546510/
- https://kddi-tech.com/contents/appendix_L2_06.html#20304f4c-af1b-49fd-c3b5-8d1f55fd8b4f
- https://www.au.com/support/service/internet/guide/modem/bl1500hm/firmware/
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