MEDIUM
CVE-2015-8487
CWE-200Published: February 17, 2016· Updated: Jun 17, 2026
4.3
CVSS v3.1
Official Description
Cybozu Office 9.0.0 through 10.3 allows remote attackers to discover CSRF tokens via unspecified vectors, a different vulnerability than CVE-2015-8488.
Technical Analysis
CVE-2015-8487 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Vendors & Products
cybozu1 product(s)
office
Source: NVD CPE · 15 total CPE entries
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
All References (6)
→
http://jvn.jp/en/jp/JVN47296923/index.htmlVendor Advisory
→
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000022Vendor Advisory
→
https://cs.cybozu.co.jp/2015/006071.htmlVendor Advisory
→
http://jvn.jp/en/jp/JVN47296923/index.htmlVendor Advisory
→
http://jvndb.jvn.jp/jvndb/JVNDB-2016-000022Vendor Advisory
→
https://cs.cybozu.co.jp/2015/006071.htmlVendor Advisory
Quick Facts
CVE IDCVE-2015-8487
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 17, 2016
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-8487 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.