# CVE-2017-6745: Denial of service in Cisco Videoscape Distribution Suite Cache Server

> Unauthenticated remote attackers can cause a denial of service by exhausting resources with excessive traffic, requiring administrators to patch the Cisco VDS Cache Server.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Aug 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-9m5j-cgjg-vr9r

## What is CVE-2017-6745?

CVE-2017-6745 is a high-severity denial of service vulnerability in Cisco Videoscape Distribution Suite Cache Server, published on 7 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability in the cache server within Cisco Videoscape Distribution Suite (VDS) for Television 3.2(5)ES1 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on a targeted appliance. The vulnerability is due to excessive mapped connections exhausting the allotted resources within the system. An attacker could exploit this vulnerability by sending large amounts of inbound traffic to a device with the intention of overloading certain resources. A successful exploit could cause the device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc39260.

Weakness: CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

## Which versions are affected by CVE-2017-6745?

It affects 1 product.


Products: Cisco Videoscape Distribution Suite for Television.

## How do I fix CVE-2017-6745?

No fix has been published for CVE-2017-6745 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-6745 being exploited?

There is no known exploitation of CVE-2017-6745 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-6745 and fix it if it is affected.

What it is: CVE-2017-6745 is a high-severity denial of service vulnerability in Cisco Videoscape Distribution Suite Cache Server, published on 7 Aug 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-6745 in the wild and no public exploit code.

Affected product: Cisco Videoscape Distribution Suite Cache Server. 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-2017-6745/ (Markdown: https://insights.sbomify.com/CVE-2017-6745/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-6745
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-6745
- OSV: https://osv.dev/vulnerability/CVE-2017-6745

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-6745/
Summaries are generated and may contain mistakes; the official description above is the record.