VulnRadar

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Page generated: 09 Nov 2026, 03:10 UTC

CVE-2019-11539

In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 and Pulse Policy Secure version 9.0RX before 9.0R3.2, 5.4RX before 5.4R7.1, 5.3RX before 5.3R12.1, 5.2RX before 5.2R12.1, and 5.1RX before 5.1…

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CVSS 8.0 (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: +1.20
Fresh EPSS: 98.54%: +0.49

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

Sources: 9 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

Qualys

Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys

Rapid7

Press · 21 Apr 2021, 07:00 · Active Exploitation of Pulse Connect Secure Zero-Day (CVE-2021-22893) - Rapid7

The Register

Press · 16 Sep 2020, 07:00 · Where China leads, Iran follows: US warns of 'contract' hackers exploiting Citrix, Pulse Secure and F5 VPNs - The Register

BleepingComputer

Press · 08 Aug 2020, 07:00 · FBI: Iranian hackers trying to exploit critical F5 BIG-IP flaw - BleepingComputer

Kroll

Press · 07 May 2020, 07:00 · VPN Vulnerabilities Tied to Rising Data Exposure, Ransomware - The Monitor, Issue 13 - Kroll

See all 9 source documents

BankInfoSecurity

Press · 09 Oct 2019, 07:00 · NSA Is Latest Intelligence Agency to Sound VPN Patch Alarm - BankInfoSecurity

TechTarget

Press · 08 Oct 2019, 07:00 · NSA warns VPN vulnerabilities exploited by nation-state hackers - TechTarget

National Cyber Security Centre

Press · 02 Oct 2019, 07:00 · Vulnerabilities exploited in VPN products used worldwide - National Cyber Security Centre

CCB Belgium

Press · 27 Aug 2019, 07:00 · Vulnerability in Pulse Secure: Pulse Connect Secure (PCS) - CCB Belgium

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

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence

exploitdb #47354 2019-09-06
exploitdb #47700 2019-11-20

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; EPSS 98.5%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, high 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 13:58:03.858787+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

26 Apr 2019, 01:39

First press mention

27 Aug 2019, 07:00

Added to the CISA KEV catalog

03 Nov 2021, 00:00

Latest press mention

22 Feb 2022, 08:00

Score calculated

05 Nov 2026, 13:58

PoCs on GitHub

2 repositories