CVE-2021-31889
A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 V2303
- 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 vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0). Malformed TCP packets with a corrupted SACK option leads to Information Leaks and Denial-of-Service conditions. (FSMD-2021-0015)
Timeline
- CVE published
- Record last updated
Affected versions
- Siemens Capital Embedded AR Classic 431-422
All versions
- Siemens Capital Embedded AR Classic R20-11
fixed in V2303
- Siemens PLUSCONTROL 1st Gen
All versions
- Siemens SIMOTICS CONNECT 400
All versions < V0.5.0.0
References 10
cert-portal.siemens.com
- productcert/pdf/ssa-114589.pdf
- productcert/pdf/ssa-044112.pdf
- productcert/pdf/ssa-620288.pdf
- productcert/pdf/ssa-845392.pdf
- productcert/pdf/ssa-223353.pdf
- productcert/html/ssa-114589.html
- productcert/html/ssa-044112.html
- productcert/html/ssa-620288.html
- productcert/html/ssa-845392.html
- productcert/html/ssa-223353.html