customapp in Cybozu Office 9.9.0 through 10.3.0 allows remote authenticated users to cause a denial of service (excessive database locking) via a crafted CSV file, a different vulnerability than CVE-2016-1153.
CVE-2015-8489
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1.6%CVSS: 6.5Exploit: None knownExposed services: —
No fix is confirmed yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for the fix.
Internet exposure
The internet-exposure footprint is temporarily unavailable — the KEV-Exposure radar's record for this CVE could not be loaded just now. That is not a finding of zero exposed services; please retry shortly.
- CVSS v3
- 6.5
- EG Score
- 6.5MEDIUMmedium confidence
- EG Risk
- 34EG Risk 34/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation2% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix. - EPSS PROB
- 1.6%
- EPSS %ILE
- 75th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
February 17, 2016
Last Modified
June 17, 2026
References (6)
- vultures@jpcerthttp://jvn.jp/en/jp/JVN20246313/index.html
- vultures@jpcerthttp://jvndb.jvn.jp/jvndb/JVNDB-2016-000020
- vultures@jpcerthttps://cs.cybozu.co.jp/2015/006073.html
- af854a3a-2127-422b-91ae-364da2661108http://jvn.jp/en/jp/JVN20246313/index.html
- af854a3a-2127-422b-91ae-364da2661108http://jvndb.jvn.jp/jvndb/JVNDB-2016-000020
- af854a3a-2127-422b-91ae-364da2661108https://cs.cybozu.co.jp/2015/006073.html
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Related CVEs
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Frequently asked(5)
What is CVE-2015-8489?
CVE-2015-8489 is a medium vulnerability published on February 17, 2016. customapp in Cybozu Office 9.9.0 through 10.3.0 allows remote authenticated users to cause a denial of service (excessive database locking) via a crafted CSV file, a different vulnerability than CVE-2016-1153.
When was CVE-2015-8489 disclosed?
CVE-2015-8489 was first published on February 17, 2016, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2015-8489 actively exploited?
CVE-2015-8489 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% probability of exploitation in the next 30 days (75th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2015-8489?
CVE-2015-8489 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2015-8489?
No fix for CVE-2015-8489 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2015-8489
Is Your Infrastructure Affected by CVE-2015-8489?
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