CVE-2018-11741

Name: CVE-2018-11741
Creator: NVD / NIST
Published: 2018-12-26T21:29:00.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 17.89%

Last modified Jun 17, 2026

CVE-2018-11741 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. NEC Univerge Sv9100 WebPro 6.00.00 devices have Predictable Session IDs that result in Account Information Disclosure via Home.htm?sessionId=#####&GOTO(8) URIs.. EPSS estimates a 17.89% chance of exploitation in the next 30 days.

Description

NEC Univerge Sv9100 WebPro 6.00.00 devices have Predictable Session IDs that result in Account Information Disclosure via Home.htm?sessionId=#####&GOTO(8) URIs.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

17.89%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Nec	Univerge Sv9100 Webpro Firmware	6.00.00

References

http://hyp3rlinx.altervista.org/advisories/NEC-UNIVERGE-WEBPRO-v6.00-PREDICTABLE-SESSIONID-CLEARTEXT-PASSWORDS.txtExploit, Third Party Advisory
http://packetstormsecurity.com/files/150610/NEC-Univerge-Sv9100-WebPro-6.00.00-Predictable-Session-ID-Cleartext-Passwords.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Dec/1Exploit, Mailing List, Third Party Advisory
https://www.exploit-db.com/exploits/45942/Exploit, Third Party Advisory, VDB Entry
http://hyp3rlinx.altervista.org/advisories/NEC-UNIVERGE-WEBPRO-v6.00-PREDICTABLE-SESSIONID-CLEARTEXT-PASSWORDS.txtExploit, Third Party Advisory
http://packetstormsecurity.com/files/150610/NEC-Univerge-Sv9100-WebPro-6.00.00-Predictable-Session-ID-Cleartext-Passwords.htmlExploit, Third Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Dec/1Exploit, Mailing List, Third Party Advisory
https://www.exploit-db.com/exploits/45942/Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Dec 26, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-11741?

NEC Univerge Sv9100 WebPro 6.00.00 devices have Predictable Session IDs that result in Account Information Disclosure via Home.htm?sessionId=#####&GOTO(8) URIs.

How severe is CVE-2018-11741?

CVE-2018-11741 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 17.89% probability of exploitation in the next 30 days.

How do I fix CVE-2018-11741?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-11741?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST