6.1med

CVE-2018-6882KEV · ransomwarein critical feedNuclei template

Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7…

Published 8 y ago · modified 37 d ago · JSON

CVSS
6.1
v3.1 · CNA
CISA KEV
Yes
added 2022-04-19
EPSS
29.8%
percentile 98%
Public exploits
0
none known · Nuclei check

Summary

Cross-site scripting (XSS) vulnerability in the ZmMailMsgView.getAttachmentLinkHtml function in Zimbra Collaboration Suite (ZCS) before 8.7 Patch 1 and 8.8.x before 8.8.7 might allow remote attackers to inject arbitrary web script or HTML via a Content-Location header in an email attachment.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-05-10 (4 y ago)
Ransomware use
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor / product
Synacor / Zimbra Collaboration Suite (ZCS)
CISA name
Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
2 mo ago

Exploit prediction (EPSS)

29.76% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

Exploits and detections

  • Nuclei template Zimbra Collaboration Suite - Cross-site Scripting · nuclei detection template

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • seclists.org /fulldisclosure/2018/Mar/52 · mailing-list, x_refsource_FULLDISC, x_transferred
  • securify.nl /advisory/SFY20180101/cross-site-scripting-vulnerability-in-zimbra-collaboration-suite-due · x_refsource_MISC, x_transferred
  • wiki.zimbra.com /wiki/Zimbra_Releases/8.8.7 · x_refsource_CONFIRM, x_transferred
  • bugzilla.zimbra.com /show_bug.cgi?id=108786 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /archive/1/541891/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • wiki.zimbra.com /wiki/Zimbra_Security_Advisories · x_refsource_CONFIRM, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6882 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.