HIGHCVSS v3.1 8.8Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2021-22894

Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room.

Properties

Euvd product
Pulse Connect Secure
Vulnerability name
Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability
First seen
2025-10-21T23:25:44+00:00
Cvss score
8.8
Epss score
0.41284
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Euvd assigner
hackerone
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2021-11-03T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
8.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Related Entities (44 · showing 24)

AFFECTS_PRODUCT (40 · showing 20)

→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.0:r4.0:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
→[Product]cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*

HAS_WEAKNESS (2)

→[Weakness]Improper Control of Generation of Code ('Code Injection')
→[Weakness]Improper Restriction of Operations within the Bounds of a Memory Buffer

DESCRIBES (1)

←[KEVEntry]Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2021-11-03

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CVE-2021-22894 (CVSS v3.1 8.8) — Ninja Signal Threat Intelligence | Ninja Signal