CVE-2025-0283: ivanti connect_secure Stack-based Buffer Overflow
CVSS: 7.0v3.1HighAnalyzed
Published 08-01-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-0283 is a high (CVSS 7.0) Stack-based Buffer Overflow vulnerability in ivanti connect_secure. EPSS estimates a 17.46% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities.
CVSS score
7.0/10
010
High · v3.1 (CVE.org)EPSS score
17.46%
0%100%
Medium · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-01-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a local authenticated attacker to escalate their privileges.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
17.46%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
+0.03 pp
From 17.43% on 19-09-2026
19-09-202619-10-2026
EPSS score17.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Ivanti3 products
- connect_secure< 9.1 | ≥ 22.2, < 22.7 | 9.1 | 9.1:r1 | 9.1:r1.0 | 9.1:r10.0 | 9.1:r10.2 | 9.1:r11 | 9.1:r11.0 | 9.1:r11.1 | 9.1:r11.3 | 9.1:r11.4 | 9.1:r11.5 | 9.1:r12 | 9.1:r12.1 | 9.1:r12.2 | 9.1:r13 | 9.1:r13.1 | 9.1:r14 | 9.1:r14.4 | 9.1:r15 | 9.1:r15.2 | 9.1:r16 | 9.1:r16.1 | 9.1:r17 | 9.1:r17.1 | 9.1:r17.2 | 9.1:r18 | 9.1:r18.1 | 9.1:r18.2 | 9.1:r18.3 | 9.1:r18.7 | 9.1:r18.8 | 9.1:r18.9 | 9.1:r4.3 | 9.1:r8 | 21.9:r1 | 21.12:r1 | 22.1:r1 | 22.1:r6 | 22.7 | 22.7:r1 | 22.7:r1.1 | 22.7:r1.2 | 22.7:r1.3 | 22.7:r1.4 | 22.7:r1.5 | 22.7:r2 | 22.7:r2.1 | 22.7:r2.2 | 22.7:r2.3 | 22.7:r2.4
- neurons_for_zero-trust_accessna | 22.2:r1 | 22.2:r4 | 22.2:r5 | 22.3:r1 | 22.3:r4 | 22.4:r1 | 22.4:r3 | 22.5:r1 | 22.5:r1.2 | 22.6:r1 | 22.6:r1.2 | 22.6:r1.3 | 22.6:r1.5 | 22.6:r1.6 | 22.6:r1.7 | 22.7:r1 | 22.7:r1.2 | 22.7:r1.3 | 22.7:r1.4 | 22.7:r1.5 | 22.7:r1.6 | 22.7:r2 | 22.7:r2.2 | 22.7:r2.3
- policy_secure22.7R1.2 | < 22.7 | 22.7 | 22.7:r1 | 22.7:r1.1 | 22.7:r1.2
1 vendor · 3 products
References
1 links- forums.ivanti.com/s/…Vendor Advisory