CVE-2021-22965: ivanti connect_secure Uncontrolled Resource Consumption
CVSS: 7.8v2.0HighModified
Published 19-11-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-22965 is a high (CVSS 7.8) Uncontrolled Resource Consumption vulnerability in ivanti connect_secure. EPSS estimates a 2.19% chance of exploitation in the next 30 days, higher than 82.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v2.0 (NVD)EPSS score
2.19%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-11-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability in Pulse Connect Secure before 9.1R12.1 could allow an unauthenticated administrator to causes a denial of service when a malformed request is sent to the device.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
High 7.8Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
2.19%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.19% on 19-09-2026
19-09-202619-10-2026
EPSS score2.19%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ivanti1 product
- connect_secure9.1 | 9.1:r1 | 9.1:r10.0 | 9.1:r10.2 | 9.1:r11.0 | 9.1:r11.1 | 9.1:r11.3 | 9.1:r11.4 | 9.1:r12 | 9.1:r2 | 9.1:r3 | 9.1:r4 | 9.1:r4.1 | 9.1:r4.2 | 9.1:r4.3 | 9.1:r5 | 9.1:r6 | 9.1:r7 | 9.1:r8 | 9.1:r8.1 | 9.1:r8.2 | 9.1:r8.4 | 9.1:r9 | 9.1:r9.1 | 9.1:r9.2
Pulsesecure1 product
- pulse_connect_secure< 9.1
2 vendors · 2 products
References
1 links- kb.pulsesecure.net/articles/Pulse_Secure_Article/KB44879/?kA13Z000000L3ZFX Refsource MISCVendor Advisory