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CVE-2022-24682

Exploited in the wild. In CISA KEV since 2022‑02‑25. Fixed in 8.8.15.

CVSS 3.16.1MediumEPSS percentile98th31% chance in 30 daysCISA KEVListedsince 2022-02-25, due 2022-03-11
Public exploit: 1 sourceFix8.8.15Upgrade to this build

Published Updated Sources: CVE.org, NVD, BDU

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Synacor Zimbra Collaboration SuiteAffected: ≥ 8.8.0, < 8.8.15Upgrade to: 8.8.15Stated by: NVD
  • Zimbra Inc. Zimbra Collaboration SuiteAffected: от 8.8.0 до 8.8.15 patch 30 (update 1)Upgrade to: not statedStated by: BDU

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free Nuclei and OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Discuss checks for your systems with a specialist. Scope is agreed before testing.

Coverage timeline

0 publishers

  1. Added to CISA KEV catalog

    ·CISA KEV

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021. An attacker could place HTML containing executable JavaScript inside element attributes. This markup becomes unescaped, causing arbitrary markup to be injected into the document.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS98th
Public exploit
CISA KEV
CISA KEV

Listed as exploited in the wild since 2022-02-25.

US federal agencies must remediate by 2022-03-11.

Known use in ransomware campaigns.

Apply updates per vendor instructions.
Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

31% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 122 days before any public exploit.

  1. Patch availablerecord updated
  2. Patch availablepatch available, record updated, record updated
  3. OpenVAS check added
  4. EPSS band changehigh → moderate
  5. Public exploit / PoCsource: othernuclei check added
  6. Patch availablerecord updated

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Scored 6.1 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction RequiredA user must click a link, open a file, or perform some action

Scope

  • Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

Impact if exploited

  • Confidentiality LowSome restricted information is disclosed, but limited in scope
  • Integrity LowData modification is possible but limited in scope or consequence
  • Availability NoneNo availability impact

Weaknesses

Sources

References in the record

And 6 more references. See all after sign-in

Watch the software you run.

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We'll flag the next CVE, public exploit or patch for Zimbra Inc., not every advisory. This one: actively exploited.