In H3C MagicR100 <=V100R005, the / Ajax / ajaxget interface can be accessed without authorization.

published 2022-05-04 4y ago modified 2026-06-17 4mo ago also EUVD-2022-33374

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

In H3C MagicR100 <=V100R005, the / Ajax / ajaxget interface can be accessed without authorization. It sends a large amount of data through ajaxmsg to carry out DOS attack.

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Exploit prediction

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/zhefox/0day/blob/main/%E6%96%B0%E5%8D%8E%E4%B8%89magicR100%E5%AD%98%E5%9C%A8DOS%E6%94%BB%E5%87%BB%E6%BC%8F%E6%B4%9E%E5%88%86%E6%9E%90.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	7.1	AV:N/AC:M/Au:N/C:N/I:N/A:C

References

github.com /zhefox/0day/blob/main/%E6%96%B0%E5%8D%8E%E4%B8%89magicR100%E5%AD%98%E5%9C%A8DOS%E6%94%BB%E5%87%BB%E6%BC%8F%E6
exploit, third-party-advisory

Sources

CVE List CVE-2022-28940
NVD CVE-2022-28940

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