CVE-2018-7830

Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where a denial of service can occur for ~1 minute by sending a specially crafted HTTP request.

CVSS v3.0

7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

2.42% chance of exploitation in the next 30 days, 83th percentile

Published

2018-11-30

Updated

2024-08-05

Proof-of-concept exploits (1)

• https://www.tenable.com/security/research/tra-2018-38

References

• CVE Record
• NVD entry

Related

• CVE-2018-7811
• CVE-2018-7831
• CVE-2018-7810
• CVE-2018-7841
• CVE-2018-7809
• CVE-2018-7842