Page generated: 11 Nov 2026, 07:32 UTC
← Dashboard

CVE-2021-27102

Accellion FTA 9_12_411 and earlier is affected by OS command execution via a local web service call. The fixed version is FTA_9_12_416 and later.

CVSS 7.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.2/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.8: +1.17
  • Fresh EPSS: 3.65%: +0.02

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

Sources: 12 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

Huntress
Press · 31 Oct 2025, 07:00 · Accellion Data Breach: What Happened, Impact, and Lessons - Huntress
SECURITY.COM
Press · 19 Jan 2022, 08:00 · The Threat Landscape in 2021 - SECURITY.COM
The Hacker News
Press · 29 Jul 2021, 07:00 · Top 30 Critical Security Vulnerabilities Most Exploited by Hackers - The Hacker News
Qualys
Press · 28 Jul 2021, 07:00 · CISA Alert: Top Routinely Exploited Vulnerabilities - Qualys
Unit 42
Press · 13 Apr 2021, 07:00 · Threat Assessment: Clop Ransomware - Unit 42
See all 12 source documents
Recorded Future
Press · 12 Mar 2021, 08:00 · Understanding Accellion’s FTA Appliance Compromise, DEWMODE, and Its Supply Chain Impact - Recorded Future
Kaspersky
Press · 10 Mar 2021, 08:00 · Hackers publish data stolen through Accellion FTA - Kaspersky
The Hacker News
Press · 04 Mar 2021, 08:00 · Extortion Gang Breaches Cybersecurity Firm Qualys Using Accellion Exploit - The Hacker News
The HIPAA Journal
Press · 25 Feb 2021, 08:00 · CISA Warns of Active Exploitation of Accellion File Transfer Appliance Vulnerabilities - The HIPAA Journal
Cybersecurity Dive
Press · 23 Feb 2021, 08:00 · FireEye identifies 2 threat activity clusters behind Accellion hack - Cybersecurity Dive
The Hacker News
Press · 23 Feb 2021, 08:00 · Hackers Exploit Accellion Zero-Days in Recent Data Theft and Extortion Attacks - The Hacker News
Google Cloud
Press · 22 Feb 2021, 08:00 · Cyber Criminals Exploit Accellion FTA for Data Theft and Extortion - Google Cloud

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 8.2 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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 7.8; EPSS 3.7%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
local access, low 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 13:58:25.853394+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
16 Feb 2021, 20:07
First press mention
22 Feb 2021, 08:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
31 Oct 2025, 07:00
Score calculated
05 Nov 2026, 13:58