CYBERSECURITYTRACKER
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Vulnerabilities

CVE-2024-27443

Review this vulnerability's source-backed evidence, with unavailable values and read failures kept distinct.

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Full record read. Reported values and explicit gaps below come from the tracked record. Tracker data as of: .

Detection and validation

Mapped metadata availability only. These signals do not change priority.

  • Sigma

    Linux Reverse Shell Indicator. Level: critical. Status: test.

    Open Sigma metadata

  • Atomic

    C2 Data Exfiltration. Executor: powershell. Elevation: not reported.

    Open Atomic metadata

  • Nuclei

    Zimbra Collaboration - Cross-Site Scripting (XSS). Check identifier: CVE-2024-27443.

    Open Nuclei metadata

  • Metasploit

    Not mapped by tracked sources.

What it is

Reported

Zimbra Collaboration contains a cross-site scripting (XSS) vulnerability in the CalendarInvite feature of the Zimbra webmail classic user interface. An attacker can exploit this vulnerability via an email message containing a crafted calendar header, leading to the execution of arbitrary JavaScript code.

Source reported · Source: NVD · Source last published: · Source description excerpt; complete tracked detail loads below. · Source last updated: · Tracker data as of:

What is affected

Reported

Synacor; Zimbra Collaboration Suite (ZCS). Product-level identification only; no affected-version conclusion is available from this field.

Source reported · Source: NVD · Source last published: · Source last updated: · Tracker data as of:

Urgency and basis

Reported

Act now · 561.9

Tracker computed · Tracker decision tier from the evidence detailed below · Source last updated: · Tracker data as of:

Exploitation evidence

Reported

Active exploitation · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog

Source reported · Active since: · CISA KEV added: · VulnCheck KEV added: · ENISA added: · Source last updated: · Tracker data as of:

What to do

Reported

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Source reported · Tracked source remediation field · Source last updated: · Tracker data as of:

Evidence detail

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Glossary

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