CVE-2020-7465CWE-787

The L2TP implementation of MPD before 5.9 allows a remote attacker who can send specifically crafted L2TP control packet with AVP Q.931 Cause Code to execute…

published October 6, 2020

CVSS
—
EPSS
3%
Percentile
87.3
In the wild
Unconfirmed
What it is

⚠️ A crafty L2TP control packet is all it takes to exploit this vulnerability! Before version 5.9, MPD is vulnerable to attackers sending specially designed packets that can wreak havoc. 🔥 Think of it like a sneaky delivery person slipping a suspicious package into a secure building without anyone checking its contents — if the wrong package gets through, it can disrupt everything inside. If exploited, an attacker could execute arbitrary code remotely or even cause a denial of service, leading to memory corruption. This could mean anything from system crashes to unwelcome surprises in your server's operations, putting your network's stability at risk.

Put simply

Think of it like a sneaky delivery person slipping a suspicious package into a secure building without anyone checking its contents — if the wrong package gets through, it can disrupt everything inside. CVE-2020-7465 affects the L2TP implementation of MPD versions before 5.9, allowing attackers to send crafted control packets containing an AVP Q.931 Cause Code, potentially leading to memory corruption.

What to do

If exploited, an attacker could execute arbitrary code remotely or even cause a denial of service, leading to memory corruption. This could mean anything from system crashes to unwelcome surprises in your server's operations, putting your network's stability at risk. To protect yourself, upgrade MPD to version 5.9 or higher as soon as possible. It's a straightforward fix to ensure your systems are safe from these crafty control packets! You've got this! Patch it up, and your systems will be secure in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03004 · 87.3th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2020-10-06T13:40Z
EPSS history
Timeline
  • 06 OCT 13:40Z
    The L2TP implementation of MPD before 5.9 allows a remote attacker who can send specifically crafted L2TP control packet with AVP Q.931 Cause Code to execute…
    cvelistv5