VulnerabilityModified
CVE-2017-6026
This may allow a current session to be compromised.
CRITICAL 9.1EPSS 31.8%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 31.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
Description
A Use of Insufficiently Random Values issue was discovered in Schneider Electric Modicon PLCs Modicon M241, firmware versions prior to Version 4.0.5.11, and Modicon M251, firmware versions prior to Version 4.0.5.11. The session numbers generated by the web application are lacking randomization and are shared between several users. This may allow a current session to be compromised.
- CVSS 3.1
- 9.1 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- EPSS
- 31.82% probability · 98th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-330
- Affected
- schneider-electric/modicon m251 firmware · schneider-electric/modicon m241 firmware
- Source
- ics-cert@hq.dhs.gov
References
- http://www.securityfocus.com/bid/97254Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/45918/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/97254Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-17-089-02Third Party Advisory, US Government Resource
- https://www.exploit-db.com/exploits/45918/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.