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CVE-2019-11510

In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an unauthenticated remote attacker can send a specially crafted URI to perform an arbitrary file reading vulnerability .

CVSS 9.9 (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 9.9: +1.49
  • Fresh EPSS: 100.00%: +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: 14 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

SentinelOne
Press · 18 Mar 2024, 07:00 · Enterprise Security Essentials | Top 15 Most Routinely Exploited Vulnerabilities 2022 - SentinelOne
Qualys
Press · 04 Sep 2023, 07:00 · Top 20 Vulnerabilities Exploited by Cyber Attackers - Qualys
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 · 08 May 2021, 07:00 · Top 12 Security Flaws Russian Spy Hackers Are Exploiting in the Wild - The Hacker News
See all 14 source documents
Cisco Talos Blog
Press · 22 Apr 2021, 07:00 · Threat Advisory: Pulse Secure Connect Coverage - Cisco Talos Blog
The Hacker News
Press · 21 Apr 2021, 07:00 · WARNING: Hackers Exploit Unpatched Pulse Secure 0-Day to Breach Organizations - The Hacker News
Cisco Talos Blog
Press · 15 Apr 2021, 07:00 · Threat Advisory: NSA SVR Advisory Coverage - Cisco Talos Blog
cyfirma
Press · 28 Dec 2020, 08:00 · Incidents, attributions, and exploitation techniques for path traversal flaw in Fortinet FortiOS SSL VPN devices - cyfirma
Bitsight
Press · 23 Oct 2020, 07:00 · Bitsight’s View into the NSA’s Top Vulnerabilities - Bitsight
Kroll
Press · 07 May 2020, 07:00 · VPN Vulnerabilities Tied to Rising Data Exposure, Ransomware - The Monitor, Issue 13 - Kroll
National Security Agency (NSA) (.gov)
Press · 07 Oct 2019, 07:00 · NSA Cybersecurity Advisory: Malicious Cyber Actors Leveraging VPN Vulnerabilities for Atta - National Security Agency (NSA) (.gov)
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 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
imjdl/CVE-2019-11510-poc5012Python26 Aug 2019, 19:33
es0/CVE-2019-11510_poc54Python27 Aug 2019, 00:52
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 9.9; EPSS 100.0%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network 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 13:58:03.858787+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
08 May 2019, 16:18
First press mention
27 Aug 2019, 07:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
18 Mar 2024, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
2 repositories
Source: CVE List V5 · CISA KEV · FIRST EPSS · GitHub · RSSVulnRadar