HOMEVULNERABILITIESCVE-2015-7808
HIGHPOC

CVE-2015-7808

CWE-20Published: November 24, 2015· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

The vB_Api_Hook::decodeArguments method in vBulletin 5 Connect 5.1.2 through 5.1.9 allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in the arguments parameter to ajax/api/hook/decodeArguments.

NVD Source

Technical Analysis

CVE-2015-7808 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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

A proof-of-concept (PoC) exploit exists for CVE-2015-7808. 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.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityP
AvailabilityP
AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected Vendors & Products

vbulletin1 product(s)
vbulletin
Source: NVD CPE · 16 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.

All References (12)

→
http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/Exploit
→
http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.htmlExploit
→
http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsqExploit
→
http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserializeExploit
→
https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.htmlExploit
→
https://www.exploit-db.com/exploits/38629/Exploit
→
http://blog.checkpoint.com/2015/11/05/check-point-discovers-critical-vbulletin-0-day/Exploit
→
http://packetstormsecurity.com/files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.htmlExploit
→
http://pastie.org/pastes/10527766/text?key=wq1hgkcj4afb9ipqzllsqExploit
→
http://www.rapid7.com/db/modules/exploit/multi/http/vbulletin_unserializeExploit
→
https://blog.sucuri.net/2015/11/vbulletin-exploits-in-the-wild.htmlExploit
→
https://www.exploit-db.com/exploits/38629/Exploit

Quick Facts

CVE IDCVE-2015-7808
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedNov 24, 2015

Related CVEs (CWE-20)

CVE-2003-1425
10.0
CVE-2008-1331
10.0
CVE-2021-21321
10.0
CVE-2007-6494
10.0
CVE-2008-6826
10.0
CVE-2011-0923
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2015-7808 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.COM. CVE data is provided under the NVD usage policy.
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