CVE-2018-13809
No exploitation reported by the sources we read.
- Published2019-04-17
- WeaknessCWE-79
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions). The integrated web server of the affected CP devices could allow Cross-Site Scripting (XSS) attacks if unsuspecting users are tricked into following a malicious link. User interaction is required for a successful exploitation. At the time of advisory publication no public exploitation of this vulnerability was known.
Timeline
dates in UTC- 2019-04-1714:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-13809?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-13809?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2.8 | ≤ 2.8 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2.8 | ≤ 2.8 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
ICSA-19-043-06 Siemens CP1604 and CP1616 (Update A)
CP 1604 · CP 1616
Fix
- Vendor fix CISA ICSA-19-043-06 · 1 productUpdate to V2.8 and follow recommendations from Section Workarounds and Mitigations. - Download: https://support.industry.siemens.com/cs/ww/en/view/109762689
- Mitigation from the vendor CISA ICSA-19-043-06 · 2 productsSiemens has identified the following specific workarounds and mitigations thatcustomers can apply to reduce the risk:default settings and its use is optional. Use in a productiveenvironment is discouraged.restrict access to the web interface (80/tcp) and to the telnet port(23/tcp) to trusted IP add…
Advisories and patches
- cert-portal.siemens.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.06.1read 2026-10-23
- NVDCVSS 2.04.3read 2026-10-23
- NVDweakness (CWE)CWE-79read 2026-10-23
- FIRST EPSSEPSS score0.8 %2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Published
- 2019-04-17
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-13809?
Is CVE-2018-13809 actively exploited?
What is the CVSS score for CVE-2018-13809?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.