CVE-2021-33672

Due to missing encoding in SAP Contact Center's Communication Desktop component- version 700, an attacker could send malicious script in chat message

Critical · published September 14, 2021

CVSS v3.0
9.6
EPSS
1%
Percentile
65.4
In the wild
Unconfirmed
What it is

🔥 A sneaky script is ready to crash the party! With CVE-2021-33672, an attacker can slip malicious code through chat messages in SAP Contact Center's Communication Desktop, leading to devastating consequences. Think of it like a party crasher sneaking in with a fake invite and then taking over the DJ booth. Once they’re in, they can blast their own tunes—essentially controlling the whole vibe without the host even realizing it! An attacker could execute scripts in the chat recipient's environment, potentially leading to full system control. This means they can access sensitive information, alter files, or even bring down systems entirely. The impact on confidentiality, integrity, and availability can be absolutely catastrophic!

Put simply

Think of it like a party crasher sneaking in with a fake invite and then taking over the DJ booth. Once they’re in, they can blast their own tunes—essentially controlling the whole vibe without the host even realizing it! This vulnerability arises from a lack of proper encoding in chat messages, allowing attackers to inject malicious scripts that execute using ActiveX. This exploitation opens the door to operating system-level commands being executed within the victim's environment.

What to do

An attacker could execute scripts in the chat recipient's environment, potentially leading to full system control. This means they can access sensitive information, alter files, or even bring down systems entirely. The impact on confidentiality, integrity, and availability can be absolutely catastrophic! Immediately apply the security update to version 700 and ensure that proper encoding practices are implemented for all chat messages. Additionally, review security settings regarding ActiveX controls to minimize exposure. It's essential to educate users about not clicking on unsolicited chat messages! You've got this! With these steps, you can lock down your system and fend off those script-kiddies! 🛡️

The record
Technical detail
CVSS v3.0
9.6 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.01100 · 65.4th percentile
Published
2021-09-14T11:21Z
EPSS history
Timeline
  • 14 SEP 11:21Z
    Due to missing encoding in SAP Contact Center's Communication Desktop component- version 700, an attacker could send malicious script in chat message
    cvelistv5