CVE-2023-7342
Privilege escalation in HiSecOS Web Server allows admin access via crafted packets.
Is CVE-2023-7342 being exploited?
Not confirmed. CVE-2023-7342 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2023-7342?
CVE-2023-7342 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2023-7342?
Yes. A fix has been recorded for CVE-2023-7342. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2023-7342 affect?
CVE-2023-7342 affects HiSecOS Web Server 03.4.00 - 04.0x (pre-04.1.00). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2023-7342?
Upgrade to 04.1.00+.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated operator/auditor can escalate to administrator, gaining full control of the device.
Patch when possible
- affected>= 03.4.00 and <= 04.1.00
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.