HOMEVULNERABILITIESCVE-2018-17553
HIGHPOC

CVE-2018-17553

CWE-22Published: October 3, 2018· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

An "Unrestricted Upload of File with Dangerous Type" issue with directory traversal in navigate_upload.php in Naviwebs Navigate CMS 2.8 allows authenticated attackers to achieve remote code execution via a POST request with engine=picnik and id=../../../navigate_info.php.

NVD Source

Technical Analysis

CVE-2018-17553 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2018-17553. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

naviwebs1 product(s)
navigate cms
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/NavigateCMS/Navigate-CMS/commit/2bdcb8b3c5bb23851a2115db96585f1ac8cb2d1e
PATCHhttps://github.com/NavigateCMS/Navigate-CMS/commit/2bdcb8b3c5bb23851a2115db96585f1ac8cb2d1e
ADVISORYhttps://github.com/rapid7/metasploit-framework/pull/10704
ADVISORYhttps://www.exploit-db.com/exploits/45561/
ADVISORYhttps://github.com/rapid7/metasploit-framework/pull/10704
ADVISORYhttps://www.exploit-db.com/exploits/45561/

All References (6)

→
https://github.com/NavigateCMS/Navigate-CMS/commit/2bdcb8b3c5bb23851a2115db96585f1ac8cb2d1ePatch · Vendor Advisory
→
https://github.com/rapid7/metasploit-framework/pull/10704Exploit · Third Party Advisory
→
https://www.exploit-db.com/exploits/45561/Exploit · Third Party Advisory · VDB Entry
→
https://github.com/NavigateCMS/Navigate-CMS/commit/2bdcb8b3c5bb23851a2115db96585f1ac8cb2d1ePatch · Vendor Advisory
→
https://github.com/rapid7/metasploit-framework/pull/10704Exploit · Third Party Advisory
→
https://www.exploit-db.com/exploits/45561/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2018-17553
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedOct 3, 2018

Related CVEs (CWE-22)

CVE-2008-6833
10.0
CVE-2012-4959
10.0
CVE-2019-18253
10.0
CVE-2014-3914
10.0
CVE-2023-2909
10.0
CVE-2010-4931
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-17553 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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