CVE-2021-34567
WAGO I/O-Check Service prone to Out-of-bounds Read
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: yes
- Technical impact: partial
Summary
In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- WAGO 750-81xx/xxx-xxxFW
From FW1 · through FW18 Patch 2
- WAGO 750-82xx/xxx-xxx
From FW1 · through FW18 Patch 2
- WAGO 752-8303/8000-0002
From FW1 · through FW18 Patch 2
- WAGO 762-4xxx
From FW1 · through FW18 Patch 2
- WAGO 762-5xxx
From FW1 · through FW18 Patch 2
- WAGO 762-6xxx
From FW1 · through FW18 Patch 2