A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neu
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 remote unauthenticated attacker to achieve remote code execution.
- Published
- Jan 8, 2025
- Updated
- Aug 4, 2026
- EPSS
- 100.0% · 100th percentile
- CWE
- CWE-121
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Report tools
Action score
96
Now
Patch today or shut off access.
- CVSS
- 36 / 40 · 9.0 / 10
- CISA KEV
- 30 / 30 · Listed
- EPSS
- 30 / 30 · 100.0%
CISA SSVC decision
- Exploitation
- active
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- 9.0
- CNA · ivanti
- 9.0
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Actively exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on Jan 8, 2025. That signals real attacks, not theory.
Remediation deadline for government agencies: Jan 15, 2025.
Known to be used in ransomware campaigns.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| ivanti | connect secure | cpe:2.3:a:ivanti:connect_secure |
| ivanti | neurons for zero-trust access | cpe:2.3:a:ivanti:neurons_for_zero-trust_access |
| ivanti | policy secure | cpe:2.3:a:ivanti:policy_secure |
Using connect secure? Add it to your stack and be the first to know about CVEs like this one. (VPN gateway)
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- ivanti connect secure22.7
Versions reported by the vendor
Affected version ranges reported by the assigning authority (ivanti). Independent of NVD's CPE analysis and usually ahead of it.
Ivanti Connect Secure
- 22.7R2.5not affected
- 22.7R2 and later · up to and including 22.7R2.4affected
Ivanti Neurons for ZTA gateways
- 22.7R2.5not affected
- 22.7R2 and later · up to and including 22.7R2.3affected
Ivanti Policy Secure
- 22.7R1 and later · up to and including 22.7R1.2affected
Same product
ivanti: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-11510In Pulse Secure Pulse Connect Secure (PCS) 8.2 before 8.2R12.1, 8.3 before 8.3R7.1, and 9.0 before 9.0R3.4, an unauthenticated remote attackKEV100Now
- CVE-2025-22457A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTAKEV99Now
- CVE-2024-21887A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an autKEV96Now
- CVE-2024-21893A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) KEV92Now
- CVE-2023-46805An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure allows a remote attacker to accKEV92Now
- CVE-2019-11539In Pulse Secure Pulse Connect Secure version 9.0RX before 9.0R3.4, 8.3RX before 8.3R7.1, 8.2RX before 8.2R12.1, and 8.1RX before 8.1R15.1 anKEV88Now
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Exploit-DB entry ×1
- Nuclei detection template ×1
- Proof-of-concept repository on GitHub ×11
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Nuclei detection template | Nuclei template CVE-2025-0282 | — |
| Exploit-DB entry | remote | 2025-04-15 |
| Proof-of-concept repository on GitHub | stars:53 | 2025-01-11 |
| Proof-of-concept repository on GitHub | stars:4 | 2025-01-12 |
| Proof-of-concept repository on GitHub | stars:1 | 2025-01-14 |
| Proof-of-concept repository on GitHub | stars:31 | 2025-01-15 |
| Proof-of-concept repository on GitHub | stars:49 | 2025-01-16 |
| Proof-of-concept repository on GitHub | stars:5 | 2025-01-19 |
| Proof-of-concept repository on GitHub | stars:2 | 2025-01-22 |
| Proof-of-concept repository on GitHub | stars:2 | 2025-01-28 |
| Proof-of-concept repository on GitHub | stars:3 | 2025-03-10 |
| Proof-of-concept repository on GitHub | stars:0 | 2025-06-08 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- CISA KEV-1 d
- Published
- First PoC+2 d
- TodaySep 29, 2026+629 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2025-2245785 days apartA stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6, Ivanti Policy Secure before version 22.7R1.4, and Ivanti ZTAKEV99Now
- CVE-2025-2246734 days apartA stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.6 allows a remote authenticated attacker to achieve remote code36Monitor
- CVE-2025-02830 days apartA stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neu33Monitor
- CVE-2024-4790757 days apartA stack-based buffer overflow in IPsec of Ivanti Connect Secure before version 22.7R2.3 allows a remote unauthenticated attacker to cause a 30Monitor
- CVE-2024-4790557 days apartA stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.3 and Ivanti Policy Secure before version 22.7R1.2 allows a rem19Monitor
- CVE-2024-4790957 days apartA stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.3 and Ivanti Policy Secure before version 22.7R1.2 allows a rem19Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-121 · Stack-based Buffer OverflowCVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-CVE-2025-0282-CVE-2025-0283
- www.cisa.gov/cisa-mitigation-instructions-cve-2025-0282
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-0282
- www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2025-0282
Vendor advisories and official records. Exploit/PoC links are deliberately left out.