# CVE-2017-2313: Denial of service in Junos OS with BGP enabled

> Attackers can cause a routing daemon crash and restart via crafted BGP updates, leading to extended denial of service on Juniper devices.

- **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:** 24 Apr 2017
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-x2hc-2qmv-93rc

## What is CVE-2017-2313?

CVE-2017-2313 is a high-severity denial of service vulnerability in Juniper Junos, published on 24 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Juniper Networks devices running affected Junos OS versions may be impacted by the receipt of a crafted BGP UPDATE which can lead to an rpd (routing process daemon) crash and restart. Repeated crashes of the rpd daemon can result in an extended denial of service condition. The affected Junos OS versions are: 15.1 prior to 15.1F2-S15, 15.1F5-S7, 15.1F6-S5, 15.1F7, 15.1R4-S7, 15.1R5-S2, 15.1R6; 15.1X49 prior to 15.1X49-D78, 15.1X49-D80; 15.1X53 prior to 15.1X53-D230, 15.1X53-D63, 15.1X53-D70; 16.1 prior to 16.1R3-S3, 16.1R4; 16.2 prior to 16.2R1-S3, 16.2R2; Releases prior to Junos OS 15.1 are unaffected by this vulnerability. 17.1R1, 17.2R1, and all subsequent releases have a resolution for this vulnerability.

Weakness: CWE-20 (Improper Input Validation)

## Which versions are affected by CVE-2017-2313?

It affects 1 product.


Products: Juniper Junos.

## How do I fix CVE-2017-2313?

No fix has been published for CVE-2017-2313 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-2313 being exploited?

There is no known exploitation of CVE-2017-2313 in the wild and no public exploit code.

## Other vulnerabilities in Juniper Junos

- [CVE-2023-36845](https://insights.sbomify.com/CVE-2023-36845/): Juniper Junos OS EX Series and SRX Series PHP External Variable Modification (critical 9.8, exploited in the wild)
- [CVE-2020-1631](https://insights.sbomify.com/CVE-2020-1631/): Juniper Junos OS Path Traversal (high 8.8, exploited in the wild)
- [CVE-2025-21590](https://insights.sbomify.com/CVE-2025-21590/): Juniper Junos OS Improper Isolation or Compartmentalization (medium 6.7, exploited in the wild)
- [CVE-2023-36851](https://insights.sbomify.com/CVE-2023-36851/): Juniper Junos OS SRX Series Missing Authentication for Critical Function (medium 5.3, exploited in the wild)
- [CVE-2023-36844](https://insights.sbomify.com/CVE-2023-36844/): Juniper Junos OS EX Series PHP External Variable Modification (medium 5.3, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-2313 and fix it if it is affected.

What it is: CVE-2017-2313 is a high-severity denial of service vulnerability in Juniper Junos, published on 24 Apr 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-2017-2313 in the wild and no public exploit code.

Affected product: Juniper Junos. 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-2017-2313/ (Markdown: https://insights.sbomify.com/CVE-2017-2313/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-2313
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-2313
- OSV: https://osv.dev/vulnerability/CVE-2017-2313

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-2313/
Summaries are generated and may contain mistakes; the official description above is the record.