7.8

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.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v2.0 (NVD)
EPSS score
2.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last 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 versions

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 score
2.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

2 vendors · 2 products

References

1 links