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

published December 26, 2018

CVSS
โ€”
EPSS
18%
Percentile
97.2
In the wild
Unconfirmed
What it is

โš ๏ธ Predictable session IDs could turn your NEC Univerge Sv9100 WebPro into an open book! ๐Ÿ•ฎ Think of it like a restaurant where anyone can check the reservation list just by knowing the table number โ€” it's all too easy for someone to sneak a peek at your sensitive account info. An attacker who can guess these session IDs might access confidential account information, giving them insight into systems and potentially sensitive data. While it's not the end of the world, it certainly leaves a nasty taste and could lead to larger security issues down the line.

Put simply

Think of it like a restaurant where anyone can check the reservation list just by knowing the table number โ€” it's all too easy for someone to sneak a peek at your sensitive account info. This vulnerability arises from predictable session IDs in NEC Univerge Sv9100 WebPro, allowing attackers to access data by manipulating the session parameters in URL requests.

What to do

An attacker who can guess these session IDs might access confidential account information, giving them insight into systems and potentially sensitive data. While it's not the end of the world, it certainly leaves a nasty taste and could lead to larger security issues down the line. To mitigate this issue, consider implementing session ID randomization and ensure session management practices are robust. Regularly update your devices to the latest firmware to patch any vulnerabilities as they arise. You've got this! With a few tweaks, you can keep your systems safer than ever! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.17886 ยท 97.2th percentile
Published
2018-12-26T20:00Z
EPSS history
Timeline
  • 26 DEC 20:00Z
    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
    cvelistv5