Page generated: 08 Nov 2026, 06:20 UTC
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CVE-2015-1427

The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to bypass the sandbox protection mechanism and execute arbitrary shell commands via a crafted script.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.91%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 7 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Barracuda Blog
Press · 03 Sep 2026, 07:00 · Threat Spotlight: New cryptominer malware variant - Barracuda Blog
GreyNoise
Press · 27 May 2025, 07:00 · Coordinated Cloud-Based Scanning Operation Targets 75 Known Exposure Points in One Day - GreyNoise
BleepingComputer
Press · 09 Mar 2021, 08:00 · z0Miner botnet hunts for unpatched ElasticSearch, Jenkins servers - BleepingComputer
Security Affairs
Press · 18 Feb 2021, 08:00 · WatchDog botnet targets Windows and Linux servers in cryptomining campaign - Security Affairs
www.trendmicro.com
Press · 23 Jul 2019, 07:00 · Multistage Attack Delivers BillGates/Setag Backdoor - www.trendmicro.com
See all 7 source documents
www.trendmicro.com
Press · 23 Jul 2019, 07:00 · Multistage Attack Delivers BillGates/Setag Backdoor - www.trendmicro.com
Security Affairs
Press · 22 May 2019, 07:00 · The Satan Ransomware adds new exploits to its arsenal - Security Affairs

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
shavchen/cve2015_142700—21 Dec 2020, 15:03
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:39.719437+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
17 Feb 2015, 15:00
First press mention
22 May 2019, 07:00
Added to the CISA KEV catalog
25 Mar 2022, 00:00
Latest press mention
03 Sep 2026, 07:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
2 repositories