Page generated: 09 Nov 2026, 05:36 UTC
← Dashboard

CVE-2021-22893

Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code ex…

Read full description
Pulse Connect Secure 9.0R3/9.1R1 and higher is vulnerable to an authentication bypass vulnerability exposed by the Windows File Share Browser and Pulse Secure Collaboration features of Pulse Connect Secure that can allow an unauthenticated user to perform remote arbitrary code execution on the Pulse Connect Secure gateway. This vulnerability has been exploited in the wild.
CVSS 10.0 (CRITICAL) 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 10: +1.50
  • Fresh EPSS: 47.17%: +0.24

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

BleepingComputer
Press · 18 Jan 2024, 08:00 · CISA: Critical Ivanti auth bypass bug now actively exploited - BleepingComputer
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
The Hacker News
Press · 04 May 2021, 07:00 · Critical Patch Out for Critical Pulse Secure VPN 0-Day Under Attack - The Hacker News
BleepingComputer
Press · 03 May 2021, 07:00 · Pulse Secure fixes VPN zero-day used to hack high-value targets - BleepingComputer
See all 12 source documents
mcpmag.com
Press · 29 Apr 2021, 07:00 · VPN Vulnerability Found in Ivanti's Pulse Connect Secure -- Microsoft Certified Professional Magazine Online - mcpmag.com
Cisco Talos Blog
Press · 22 Apr 2021, 07:00 · Threat Advisory: Pulse Secure Connect Coverage - Cisco Talos Blog
Rapid7
Press · 21 Apr 2021, 07:00 · Active Exploitation of Pulse Connect Secure Zero-Day (CVE-2021-22893) - Rapid7
The Hacker News
Press · 21 Apr 2021, 07:00 · WARNING: Hackers Exploit Unpatched Pulse Secure 0-Day to Breach Organizations - The Hacker News
Computer Weekly
Press · 20 Apr 2021, 07:00 · Chinese APT exploits critical CVE in Pulse Secure VPN - Computer Weekly
National Cyber Security Centre
Press · 20 Apr 2021, 07:00 · Updated advice on Pulse Connect Secure RCE Vulnerability - National Cyber Security Centre
The Record from Recorded Future News
Press · 19 Apr 2021, 07:00 · Chinese hackers used Pulse Secure VPN zero-day to breach US defense contractors - The Record from Recorded Future 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

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 10; EPSS 47.2%
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 13:58:23.782764+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
19 Apr 2021, 07:00
Published
23 Apr 2021, 16:29
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
18 Jan 2024, 08:00
Score calculated
05 Nov 2026, 13:58