CVE-2021-22908: ivanti connect_secure Classic Buffer Overflow
CVSS: 9.0v2.0HighModified
Published 27-05-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-22908 is a high (CVSS 9.0) Classic Buffer Overflow vulnerability in ivanti connect_secure. EPSS estimates a 69.38% chance of exploitation in the next 30 days, higher than 99.3% of scored vulnerabilities.
CVSS score
9.0/10
010
High · v2.0 (NVD)EPSS score
69.38%
0%100%
Critical · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 27-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A buffer overflow vulnerability exists in Windows File Resource Profiles in 9.X allows a remote authenticated user with privileges to browse SMB shares to execute arbitrary code as the root user. As of version 9.1R3, this permission is not enabled by default.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 9.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
69.38%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 69.38% on 19-09-2026
19-09-202619-10-2026
EPSS score69.38%
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_secure9.0 | 9.0:r1 | 9.0:r1.0 | 9.0:r2 | 9.0:r2.0 | 9.0:r2.1 | 9.0:r3 | 9.0:r3.0 | 9.0:r3.1 | 9.0:r3.2 | 9.0:r3.3 | 9.0:r3.5 | 9.0:r4 | 9.0:r4.0 | 9.0:r4.1 | 9.0:r5.0 | 9.0:r6.0 | 9.1 | 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
Pulsesecure1 product
- pulse_connect_secure9.0rx
2 vendors · 2 products