H3C SSL VPN through 2022-07-10 allows wnm/login/login.json svpnlang cookie XSS.

published 2022-07-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-38304

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.0%; EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known, plus a Nuclei check

Exploit prediction

3.00% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template H3C SSL VPN <=2022-07-10 - Cross-Site Scripting nuclei detection template
github.com https://github.com/Docker-droid/H3C_SSL_VPN_XSS referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /Docker-droid/H3C_SSL_VPN_XSS
exploit, third-party-advisory

Sources

CVE List CVE-2022-35416
NVD CVE-2022-35416

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.

Summary