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 by | Version | Score | Vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV: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
- CVE List: CVE-2018-6882
- NVD: CVE-2018-6882
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