CVE-2020-11899KEV · OVERDUE

Treck TCP/IP stack Out-of-Bounds Read Vulnerability

Medium · published June 17, 2020

Patch now

The score understates this — it's already being exploited

CVSS calls it medium at 5.4. It is confirmed in active exploitation. It sits in the 97.2th percentile for exploit probability.

1682
days past CISA
deadline
CVSS v3.1
5.4
EPSS
18%
Percentile
97.2
In the wild
Confirmed
What it is

⚠️ An out-of-bounds read in the Treck TCP/IP stack could let attackers snag sensitive data! Think of it like a librarian handing out pages from a book that they shouldn't have access to — you get a peek at confidential information just by asking nicely! An attacker exploiting this vulnerability could potentially access sensitive data from the device’s memory, which could lead to information leaks or further attacks. While the severity is medium, the implications can still be concerning, especially in environments handling sensitive data.

Put simply

Think of it like a librarian handing out pages from a book that they shouldn't have access to — you get a peek at confidential information just by asking nicely! This vulnerability in the Treck TCP/IP stack before version 6.0.1.66 allows an out-of-bounds read of IPv6 packets, which can expose data that shouldn’t be accessible to unauthorized users.

What to do

An attacker exploiting this vulnerability could potentially access sensitive data from the device’s memory, which could lead to information leaks or further attacks. While the severity is medium, the implications can still be concerning, especially in environments handling sensitive data. Update your Treck TCP/IP stack to version 6.0.1.66 or later immediately to seal this vulnerability. Additionally, conduct a security audit to ensure no further exposure exists due to this flaw. You've got this! With these steps, you'll be reinforcing your defenses in no time! 🛡️

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.18420 · 97.2th percentile
Published
2020-06-17T10:27Z
KEV added
2022-03-03 · due 2022-03-17
EPSS history
Timeline
  • 03 MAR 00:00Z
    Added to CISA KEV — remediate by Mar 17
    kev
  • 17 JUN 10:27Z
    The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read
    cvelistv5