CVE-2020-11637
Automation Runtime TFTP Service DoS Vulnerability
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in N4.26, N4.34, F4.45, E4.53, D4.63, and 1 more
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
A memory leak in the TFTP service in B&R Automation Runtime versions <N4.26, <N4.34, <F4.45, <E4.53, <D4.63, <A4.73 and prior could allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition.
Timeline
- CVE published
- Record last updated
Affected versions
- B&R Automation Runtime
through 4.1x; From 4.2x · fixed in N4.26; From 4.3x · fixed in N4.34; From 4.4x · fixed in F4.45; From 4.5x · fixed in E4.53; From 4.6x · fixed in D4.63; From 4.7x · fixed in A4.73