# CVE-2021-41994: PingID iOS mobile application prior to 1.19 vulnerable to pre-computed dictionary attacks

> Attackers can bypass MFA in PingID Windows Login via offline dictionary attacks due to RSA misconfiguration in the iOS app.

- **Severity:** Medium 6.6 (`CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:H/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:** 30 Apr 2022
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-p2mw-hvw2-hhxv

## What is CVE-2021-41994?

CVE-2021-41994 is a medium-severity vulnerability in PingID Mobile Application, published on 30 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A misconfiguration of RSA in PingID iOS app prior to 1.19 is vulnerable to pre-computed dictionary attacks, leading to an offline MFA bypass when using PingID Windows Login.

Weakness: CWE-330 (Use of Insufficiently Random Values), CWE-310

## Which versions are affected by CVE-2021-41994?

It affects 2 products.


Products: Pingidentity Pingid, Pingidentity Pingid Windows Login.

## How do I fix CVE-2021-41994?

No fix has been published for CVE-2021-41994 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-41994 being exploited?

There is no known exploitation of CVE-2021-41994 in the wild and no public exploit code.

## Other vulnerabilities in PingID Mobile Application

- [CVE-2021-41993](https://insights.sbomify.com/CVE-2021-41993/): PingID Android mobile application prior to 1.19 vulnerable to pre-computed dictionary attacks (medium 6.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-41994 and fix it if it is affected.

What it is: CVE-2021-41994 is a medium-severity vulnerability in PingID Mobile Application, published on 30 Apr 2022. 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-2021-41994 in the wild and no public exploit code.

Affected product: PingID Mobile Application. 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-2021-41994/ (Markdown: https://insights.sbomify.com/CVE-2021-41994/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-41994
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-41994
- OSV: https://osv.dev/vulnerability/CVE-2021-41994

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-41994/
Summaries are generated and may contain mistakes; the official description above is the record.