1. Cleus
  2. Zero-days
  3. CVE-2021-44077
Exploited in the wildServers & business softwareWork IT

CVE-2021-44077 Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus: login or permission bypass

In plain words: A door that should be locked is not: part of the system can be reached without a valid login or permission. The attacker gets in as a user or administrator without knowing a password.

Confirmed exploited by CISA on · US federal patch deadline Dec 15, 2021

What to do

  1. Install Zoho's security update for ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus. If no update exists, follow the vendor's workaround or stop using the product until one ships.
  2. Keep a list of every internet-facing server you run so nothing is forgotten.
  3. Patch anything in this catalog first, ahead of normal patch cycles.
  4. Put admin and file-transfer apps behind a VPN or single sign-on instead of the open internet.

Who is affected

Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

What's at risk: Mass data theft and ransomware: a single flaw in a file-transfer or email server has exposed thousands of organisations at once.

The details

Official name
Zoho ManageEngine ServiceDesk Plus Remote Code Execution Vulnerability
Product
Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus
CISA description
Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution
Type of flaw
Login or permission bypass (CWE-306)
Confirmed exploited
Dec 1, 2021
US federal patch deadline
Dec 15, 2021

Ask Cleus about it

Ask about a vulnerability, an update, a weird message, or the news. Plain-word answers, free, no account.

Answering about CVE-2021-44077 ·

Questions about CVE-2021-44077

Is CVE-2021-44077 being exploited?

Yes. CISA added CVE-2021-44077 to its Known Exploited Vulnerabilities catalog on Dec 1, 2021, which means there is reliable evidence of real-world attacks.

How do I fix CVE-2021-44077?

Install Zoho's security update for ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus. If no update exists, follow the vendor's workaround or stop using the product until one ships. Keep a list of every internet-facing server you run so nothing is forgotten.

Am I affected by CVE-2021-44077?

Only if you use Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter Plus. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.

Other exploited Zoho vulnerabilities

Newest in the catalog

Search every known exploited vulnerability →