HIGH
CVE-2018-17199
CWE-384Published: January 30, 2019· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessions since the expiry time is loaded when the session is decoded.
Technical Analysis
CVE-2018-17199 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
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
ADVISORYhttps://usn.ubuntu.com/3937-1/
ADVISORYhttps://usn.ubuntu.com/3937-1/
All References (56)
→
http://www.securityfocus.com/bid/106742Third Party Advisory · VDB Entry
→
https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
Quick Facts
CVE IDCVE-2018-17199
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-384
CISA KEVNo
Affected5 vendor(s)
PublishedJan 30, 2019
Related CVEs (CWE-384)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-17199 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.