CVE-2026-4436
GPL Odorizers GPL750 Missing Authentication for Critical Function
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 v6.0, v20.0
- 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
A low-privileged remote attacker can send Modbus packets to manipulate register values that are inputs to the odorant injection logic such that too much or too little odorant is injected into a gas line.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- GPL Odorizers GPL750 (XL4)
From v1.0 · fixed in v6.0
- GPL Odorizers GPL750 (XL4 Prime)
From v4.0 · fixed in v6.0
- GPL Odorizers GPL Odorizers GPL750 (XL7)
From v13.0 · fixed in v20.0
- GPL Odorizers GPL Odorizers GPL750 (XL7 Prime)
From v18.4 · fixed in v20.0