CVE-2015-0544

EMC Secure Remote Services Virtual Edition (ESRS VE) 3.x before 3.06 does not properly generate random values for session cookies, which makes it easier for…

published July 5, 2015

CVSS
—
EPSS
3%
Percentile
84.6
In the wild
Unconfirmed
What it is

⚠️ A predictably generated session cookie is an open invitation! This flaw in EMC Secure Remote Services Virtual Edition (ESRS VE) 3.x makes it easier for sneaky attackers to hijack sessions. 🔥 Imagine a restaurant that uses the same table reservation number for every guest, allowing anyone to claim a table just by guessing the number. That’s how this vulnerability operates – by making it way too easy to predict valuable session cookie values! An attacker could potentially hijack active user sessions, leading to unauthorized access to sensitive information. This could result in data breaches or unauthorized actions carried out in the context of a legitimate user, creating absolutely devastating consequences!

Put simply

Imagine a restaurant that uses the same table reservation number for every guest, allowing anyone to claim a table just by guessing the number. That’s how this vulnerability operates – by making it way too easy to predict valuable session cookie values! This vulnerability arises because ESRS VE 3.x does not generate session cookies with high enough randomness, making it possible for attackers to predict the values and hijack sessions using those guessed cookies.

What to do

An attacker could potentially hijack active user sessions, leading to unauthorized access to sensitive information. This could result in data breaches or unauthorized actions carried out in the context of a legitimate user, creating absolutely devastating consequences! Upgrade to ESRS VE version 3.06 or later to resolve this issue. Additionally, you should regularly audit your session management practices to ensure they employ robust randomness and security measures! You’ve got this! Follow these steps, and you’ll be one step closer to securing your sessions! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02500 · 84.6th percentile
Published
2015-07-05T10:00Z
EPSS history
Timeline
  • 05 JUL 10:00Z
    EMC Secure Remote Services Virtual Edition (ESRS VE) 3.x before 3.06 does not properly generate random values for session cookies, which makes it easier for…
    cvelistv5