VulnerabilityModified
CVE-2021-38487
RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic.
HIGH 8.8EPSS 3.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
RTI Connext Professional versions 4.1 to 6.1.0, and Connext Micro versions 2.4 and later are vulnerable when an attacker sends a specially crafted packet to flood target devices with unwanted traffic. This may result in a denial-of-service condition and information exposure.
- CVSS 4.0
- 8.8 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 3.33% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-406, CWE-923
- Affected
- rti/connext dds micro · rti/connext professional · rti/connext secure
- Source
- 3f572a00-62e2-4423-959a-7ea25eff1638
References
- https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2FPermissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource
- https://www.rti.com/vulnerabilities/#cve-2021-38487
- https://support.rti.com/s/login/?ec=302&startURL=%2Fs%2FPermissions Required, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.