CVE-2021-34593
Summary
| CVE | CVE-2021-34593 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-26 10:15:00 UTC |
| Updated | 2022-04-12 18:05:00 UTC |
| Description | In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid requests may result in several denial-of-service conditions. Running PLC programs may be stopped, memory may be leaked, or further communication clients may be blocked from accessing the PLC. |
Risk And Classification
Problem Types: CWE-755
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Codesys | Plcwinnt | All | All | All | All |
| Application | Codesys | Runtime Toolkit | All | All | All | All |
| Application | Codesys | Runtime Toolkit | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| WAGO 750-8xxx PLC Denial Of Service / User Enumeration ≈ Packet Storm | MISC | packetstormsecurity.com | |
| customers.codesys.com/index.php | CONFIRM | customers.codesys.com | |
| Full Disclosure: SEC Consult SA-20211028-0 :: Denial of Service in CODESYS V2 | FULLDISC | seclists.org | |
| CODESYS 2.4.7.0 Denial Of Service ≈ Packet Storm | MISC | packetstormsecurity.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
LEGACY: This issue was discovered by Steffen Robertz and Gerhard Hechenberger from the SEC Consult Vulnerability Lab.
There are currently no legacy QID mappings associated with this CVE.