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CVE-2017-12615

When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and a…

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When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.
CVSS 8.1 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.7/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.1: +1.21
  • Fresh EPSS: 99.71%: +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: 8 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

GreyNoise
Press · 27 May 2025, 07:00 · Coordinated Cloud-Based Scanning Operation Targets 75 Known Exposure Points in One Day - GreyNoise
GreyNoise
Press · 08 Feb 2024, 08:00 · Battling Ransomware One Tag At A Time - GreyNoise
GreyNoise
Press · 30 Jan 2023, 08:00 · Observed In The Wild: HTTP PUT Anomalies Explained - GreyNoise
www.trendmicro.com
Press · 03 Jun 2019, 07:00 · BlackSquid Infects Servers and Drives, 8 Exploits Used - www.trendmicro.com
Security Affairs
Press · 22 May 2019, 07:00 · The Satan Ransomware adds new exploits to its arsenal - Security Affairs
See all 8 source documents
SECURITY.COM
Press · 24 Apr 2019, 07:00 · Beapy: Cryptojacking Worm Hits Enterprises in China - SECURITY.COM
Security Affairs
Press · 05 Oct 2017, 07:00 · CVE-2017-12617 Code Execution flaw patched in Apache Tomcat - Security Affairs
The Hacker News
Press · 05 Oct 2017, 07:00 · Apache Tomcat Patches Important Remote Code Execution Flaw - The Hacker News

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 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

4

Public exploit entries / repo candidates

See 4 repos with metrics
RepositoryStarsForksLanguageUpdated
breaktoprotect/CVE-2017-1261511219—09 Oct 2022, 12:13
zi0Black/POC-CVE-2017-12615-or-CVE-2017-1271762Python10 Oct 2017, 14:23
edyekomu/CVE-2017-12615-PoC00Python17 Jul 2025, 14:24
wudidwo/CVE-2017-12615-poc00Python19 Nov 2024, 11:49
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 8.1; EPSS 99.7%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction, additional attack conditions.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:48.666564+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
19 Sep 2017, 13:00
First press mention
05 Oct 2017, 07:00
Added to the CISA KEV catalog
25 Mar 2022, 00:00
Latest press mention
27 May 2025, 07:00
Score calculated
05 Nov 2026, 13:57
PoCs on GitHub
4 repositories