CVE detail
CVE-2021-30193
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Write.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 6.9 · diversity 5.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
1 source links · newest first
Researchers have identified 10 vulnerabilities in CODESYS automation software for industrial control systems. Some are of high and critical severity. “The vendor rated some of these vulnerabilities as 10 out of 10, or extremely dangerous. Their exploitation can lead to remote command execution on PLC, which may disrupt technological processes and cause industrial accidents and economic losses,” said Vladimir Nazarov, Head of ICS Security at Positive Technologies. “The most notorious example of exploiting similar vulnerabilities … More →
newswww.helpnetsecurity.comJun 4, 2021, 6:55 AM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2021-30189CVSS 9.8 · Critical
CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.
- CVE-2021-30188CVSS 9.8 · Critical
CODESYS V2 runtime system SP before 2.4.7.55 has a Stack-based Buffer Overflow.
- CVE-2021-30186CVSS 7.5 · High
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.
- CVE-2021-30195CVSS 7.5 · High
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.
- CVE-2021-30194CVSS 9.1 · Critical
CODESYS V2 Web-Server before 1.1.9.20 has an Out-of-bounds Read.
- CVE-2021-30192CVSS 9.8 · Critical
CODESYS V2 Web-Server before 1.1.9.20 has an Improperly Implemented Security Check.
1 mention