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Fencer Intel
critical 9.8

CVE-2018-11741 in the critical feed json

NEC Univerge Sv9100 WebPro 6.00.00 devices have Predictable Session IDs that result in Account Information Disclosure via Home.htm?sessionI…

published 7y ago modified 4mo ago also EUVD-2018-3760

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
17.9%
EPSS 17.9% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. First public exploit (EDB-45942)
  2. Published

Exploit prediction

17.89% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-45942 NEC Univerge Sv9100 WebPro - 6.00 - Predictable Session ID / Clear Text Password Storage webapps, 2018-12-04
  • packetstormsecurity.com http://packetstormsecurity.com/files/150610/NEC-Univerge-Sv9100-WebPro-6.00.00-Predictable-Session-ID-Cleartext-Passwords.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2018/Dec/1 referenced PoC, tagged "exploit" by a source, unverified
  • hyp3rlinx.altervista.org http://hyp3rlinx.altervista.org/advisories/NEC-UNIVERGE-WEBPRO-v6.00-PREDICTABLE-SESSIONID-CLEARTEXT-PASSWORDS.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.