Page generated: 08 Nov 2026, 09:28 UTC
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CVE-2024-21887

A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.

CVSS 9.1 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
1.6/10
REALITY · THREAT PRIORITY
8.9/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.1: +1.36
  • 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: 25 documents and public datasets.

Hype components

Headline sample (25%)
50/100
Press, 30 days (60%)
5/100
Grounded branding (15%)
0/100
HYPE TOTAL16/100

Sources and documents

Threat Intelligence
Press · 15 Oct 2026, 14:00 · ARMORY CASTLE Exploits BeyondTrust
Huntress
Press · 21 Nov 2025, 08:00 · CVE-2024-21887 Vulnerability: Analysis, Detection, Removal - Huntress
SOCRadar
Press · 29 Jan 2025, 08:00 · Top 10 Exploited Vulnerabilities of 2024 - SOCRadar
Qualys
Press · 30 Apr 2024, 07:00 · CrushFTP Server Zero-Day Exploit Enables Full Server Compromise - Qualys
The Hacker News
Press · 05 Apr 2024, 07:00 · Researchers Identify Multiple China Hacker Groups Exploiting Ivanti Security Flaws - The Hacker News
See all 25 source documents
Google Cloud
Press · 04 Apr 2024, 07:00 · Cutting Edge, Part 4: Ivanti Connect Secure VPN Post-Exploitation Lateral Movement Case Studies - Google Cloud
Cisco Blogs
Press · 11 Mar 2024, 07:00 · Helping Ivanti VPN Customers - Cisco Blogs
cyfirma
Press · 28 Feb 2024, 08:00 · Exploit Analysis: SSRF and Command Injection for Unauthenticated RCE in Ivanti Connect Secure - cyfirma
Google Cloud
Press · 27 Feb 2024, 08:00 · Cutting Edge, Part 3: Investigating Ivanti Connect Secure VPN Exploitation and Persistence Attempts - Google Cloud
Akamai
Press · 21 Feb 2024, 08:00 · Exploitation Observed: Ivanti Connect Secure — CVE-2023-46805 and CVE-2024-21887 - Akamai
Help Net Security
Press · 13 Feb 2024, 08:00 · Attackers injected novel DSLog backdoor into 670 vulnerable Ivanti devices (CVE-2024-21893) - Help Net Security
National Cyber Security Centre
Press · 09 Feb 2024, 08:00 · Exploitation of vulnerabilities affecting Ivanti Connect Secure and Ivanti Policy Secure - National Cyber Security Centre
watchTowr Labs
Press · 09 Feb 2024, 08:00 · Ivanti Connect Secure CVE-2024-22024 - Are We Now Part Of Ivanti? - watchTowr Labs
The Hacker News
Press · 01 Feb 2024, 08:00 · Warning: New Malware Emerges in Attacks Exploiting Ivanti VPN Vulnerabilities - The Hacker News
Google Cloud
Press · 31 Jan 2024, 08:00 · Cutting Edge, Part 2: Investigating Ivanti Connect Secure VPN Zero-Day Exploitation - Google Cloud
The Hacker News
Press · 31 Jan 2024, 08:00 · Alert: Ivanti Discloses 2 New Zero-Day Flaws, One Under Active Exploitation - The Hacker News
Darktrace
Press · 26 Jan 2024, 08:00 · Post-Exploitation Activities of Ivanti CS/PS Appliances - Darktrace
CyberSecurityNews
Press · 24 Jan 2024, 08:00 · Mass Exploitation of Ivanti VPN Exposes Corporate Networks to Hack Attacks - CyberSecurityNews
The Record from Recorded Future News
Press · 19 Jan 2024, 08:00 · Ivanti vulnerabilities are being exploited widely, CISA says in emergency directive - The Record from Recorded Future News
Unit 42
Press · 16 Jan 2024, 08:00 · Threat Brief: Multiple Ivanti Vulnerabilities (Updated Feb. 29) - Unit 42
Arctic Wolf
Press · 16 Jan 2024, 08:00 · Recommendations for CVE-2024-21887 and CVE-2023-46805 - Arctic Wolf
watchTowr Labs
Press · 13 Jan 2024, 08:00 · Welcome To 2024, The SSLVPN Chaos Continues - Ivanti CVE-2023-46805 & CVE-2024-21887 - watchTowr Labs
Help Net Security
Press · 11 Jan 2024, 08:00 · Ivanti Connect Secure zero-days exploited by attackers (CVE-2023-46805, CVE-2024-21887) - Help Net Security
Rapid7
Press · 11 Jan 2024, 08:00 · Ivanti Zero-day Vulnerabilities: CVE-2023-46805 & CVE-2024-21887 - Rapid7
Dark Reading
Press · 11 Jan 2024, 08:00 · Ivanti Researchers Report Two Critical Zero-Day Vulnerabilities - Dark Reading

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 1.6 · reality 8.9 (2026-11-02 15:13). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

See 1 repos with metrics
RepositoryStarsForksLanguageUpdated
oways/ivanti-CVE-2024-2188771Python14 Jan 2024, 09:27
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 9.1; EPSS 100.0%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential
network access, high 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 13:59:08.088796+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Added to the CISA KEV catalog
10 Jan 2024, 00:00
First press mention
11 Jan 2024, 08:00
Published
12 Jan 2024, 17:02
Latest press mention
15 Oct 2026, 14:00
Score calculated
05 Nov 2026, 13:59
PoCs on GitHub
1 repositories