Vulnerability in Synacor Zimbra_collaboration_suite
CVE-2022-24682
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…
EPSS: 0.311 (98.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Synacor Zimbra_collaboration_suite — versions 8.8.15
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-24682?
- CVE-2022-24682 is a medium-severity vulnerability in Synacor Zimbra_collaboration_suite, classified under Improper Encoding or Escaping of Output. CVSS score: 6.1/10. Published 2022-02-09.
- How severe is CVE-2022-24682?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2022-24682 known to be exploited?
- Yes. CVE-2022-24682 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-25), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.