# CVE-2017-11455: Cross-site request forgery in n/a

> Remote attackers can hijack administrator authentication to start tcpdump due to missing anti-CSRF tokens in Pulse Connect Secure and Policy Secure.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 29 Aug 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-337j-5pvv-8pq9

## What is CVE-2017-11455?

CVE-2017-11455 is a high-severity vulnerability in Ivanti Connect Secure, published on 29 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

diag.cgi in Pulse Connect Secure 8.2R1 through 8.2R5, 8.1R1 through 8.1R10 and Pulse Policy Secure 5.3R1 through 5.3R5, 5.2R1 through 5.2R8, and 5.1R1 through 5.1R10 allow remote attackers to hijack the authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF tokens.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2017-11455?

It affects 3 products.


Products: Ivanti Connect Secure, Pulsesecure Pulse Connect Secure, Pulsesecure Pulse Policy Secure.

## How do I fix CVE-2017-11455?

No fix has been published for CVE-2017-11455 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-11455 being exploited?

There is no known exploitation of CVE-2017-11455 in the wild and no public exploit code.

## Other vulnerabilities in Ivanti Connect Secure

- [CVE-2021-22893](https://insights.sbomify.com/CVE-2021-22893/): Ivanti Pulse Connect Secure Use-After-Free (critical 10.0, exploited in the wild)
- [CVE-2019-11510](https://insights.sbomify.com/CVE-2019-11510/): Ivanti Pulse Connect Secure Arbitrary File Read (critical 9.9, exploited in the wild)
- [CVE-2024-21887](https://insights.sbomify.com/CVE-2024-21887/): Ivanti Connect Secure and Policy Secure Command Injection (critical 9.1, exploited in the wild)
- [CVE-2025-22457](https://insights.sbomify.com/CVE-2025-22457/): Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow (critical 9.0, exploited in the wild)
- [CVE-2025-0282](https://insights.sbomify.com/CVE-2025-0282/): Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow (critical 9.0, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-11455 and fix it if it is affected.

What it is: CVE-2017-11455 is a high-severity vulnerability in Ivanti Connect Secure, published on 29 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2017-11455 in the wild and no public exploit code.

Affected product: Ivanti Connect Secure. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-11455/ (Markdown: https://insights.sbomify.com/CVE-2017-11455/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-11455
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-11455
- OSV: https://osv.dev/vulnerability/CVE-2017-11455

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-11455/
Summaries are generated and may contain mistakes; the official description above is the record.