VulnerabilityModified
CVE-2021-29241
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).
HIGH 7.5EPSS 1.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CODESYS Gateway 3 before 3.5.16.70 has a NULL pointer dereference that may result in a denial of service (DoS).
- 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
- 1.43% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- codesys/control for beaglebone sl · codesys/control for empc-a\/imx6 sl · codesys/control for iot2000 sl · codesys/control for linux sl · codesys/control for pfc100 sl · codesys/control for pfc200 sl · codesys/control for raspberry pi sl · codesys/control runtime system toolkit · codesys/development system · codesys/edge gateway · codesys/gateway
- Source
- cve@mitre.org
References
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&download=Vendor Advisory
- https://www.codesys.com/security/security-reports.htmlVendor Advisory
- https://customers.codesys.com/index.phpPermissions Required, Vendor Advisory
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=14637&token=8dbd75ae7553ae3be25e22f741db783b31e14799&download=Vendor Advisory
- https://www.codesys.com/security/security-reports.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.