CVE-2022-24298
All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.92%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
All versions of package freeopcua/freeopcua are vulnerable to Denial of Service (DoS) when bypassing the limitations for excessive memory consumption by sending multiple CloseSession requests with the deleteSubscription parameter equal to False.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- freeopcua/freeopcua
- Source
- report@snyk.io
References
- https://github.com/FreeOpcUa/freeopcua/issues/391Issue Tracking, Third Party Advisory
- https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720Third Party Advisory
- https://github.com/FreeOpcUa/freeopcua/issues/391Issue Tracking, Third Party Advisory
- https://security.snyk.io/vuln/SNYK-UNMANAGED-FREEOPCUAFREEOPCUA-2988720Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.