# CVE-2019-1762: Cisco IOS and IOS XE Software Information Disclosure Vulnerability

> An authenticated local attacker can retrieve sensitive keying materials from memory due to improper encryption operations in Cisco IOS and IOS XE.

- **Severity:** Medium 4.4 (`CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Mar 2019
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-7c6r-qvm7-wmx5

## What is CVE-2019-1762?

CVE-2019-1762 is a medium-severity vulnerability in Cisco Ios, published on 28 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability in the Secure Storage feature of Cisco IOS and IOS XE Software could allow an authenticated, local attacker to access sensitive system information on an affected device. The vulnerability is due to improper memory operations performed at encryption time, when affected software handles configuration updates. An attacker could exploit this vulnerability by retrieving the contents of specific memory locations of an affected device. A successful exploit could result in the disclosure of keying materials that are part of the device configuration, which can be used to recover critical system information.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2019-1762?

It affects 2 products.


Products: Cisco Ios, Cisco Ios Xe.

## How do I fix CVE-2019-1762?

No fix has been published for CVE-2019-1762 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-1762 being exploited?

There is no known exploitation of CVE-2019-1762 in the wild and no public exploit code.

## Other vulnerabilities in Cisco Ios

- [CVE-2017-12240](https://insights.sbomify.com/CVE-2017-12240/): Cisco IOS and IOS XE Software DHCP Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2017-3881](https://insights.sbomify.com/CVE-2017-3881/): Cisco IOS and IOS XE Remote Code Execution (critical 9.8, exploited in the wild)
- [CVE-2018-0167](https://insights.sbomify.com/CVE-2018-0167/): Cisco IOS, XR, and XE Software Buffer Overflow (high 8.8, exploited in the wild)
- [CVE-2017-6736](https://insights.sbomify.com/CVE-2017-6736/): Cisco IOS and IOS XE Software SNMP Remote Code Execution (high 8.8, exploited in the wild)
- [CVE-2017-6737](https://insights.sbomify.com/CVE-2017-6737/): Cisco IOS and IOS XE Software SNMP Remote Code Execution (high 8.8, exploited in the wild)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-1762 and fix it if it is affected.

What it is: CVE-2019-1762 is a medium-severity vulnerability in Cisco Ios, published on 28 Mar 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-1762 in the wild and no public exploit code.

Affected product: Cisco Ios. 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-2019-1762/ (Markdown: https://insights.sbomify.com/CVE-2019-1762/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-1762
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-1762
- OSV: https://osv.dev/vulnerability/CVE-2019-1762

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-1762/
Summaries are generated and may contain mistakes; the official description above is the record.