# CVE-2020-27422: Business logic in n/a

> Attackers can reuse expired password reset links to take over user accounts in Anuko Time Tracker due to missing token invalidation.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 16 Nov 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-jvmc-9qmp-g6pw

## What is CVE-2020-27422?

CVE-2020-27422 is a critical vulnerability in n/a, published on 16 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

In Anuko Time Tracker v1.19.23.5311, the password reset link emailed to the user doesn't expire once used, allowing an attacker to use the same link to takeover the account.

Weakness: CWE-613 (DEPRECATED: Insufficient Session Expiration)

## Which versions are affected by CVE-2020-27422?

It affects 1 product.


Products: Anuko Time Tracker.

## How do I fix CVE-2020-27422?

No fix has been published for CVE-2020-27422 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-27422 being exploited?

There is no known exploitation of CVE-2020-27422 in the wild and no public exploit code.

Public exploit code:

- Anuko Time Tracker 1.19.23.5311 - Password Reset leading to Account Takeover (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2023-32306](https://insights.sbomify.com/CVE-2023-32306/): Time Tracker has Blind SQL Injection Vulnerability in Reports (high 8.8)
- [CVE-2020-15255](https://insights.sbomify.com/CVE-2020-15255/): CSV injection in Anuko Time Tracker (high 8.7)
- [CVE-2023-32308](https://insights.sbomify.com/CVE-2023-32308/): SQL Injection Vulnerability in anuko timetracker (high 8.2)
- [CVE-2021-43851](https://insights.sbomify.com/CVE-2021-43851/): SQL injection vulnerability in anuko timetracker (high 8.1)
- [CVE-2021-41139](https://insights.sbomify.com/CVE-2021-41139/): Reflected XSS vulnerability in time.php (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-27422 and fix it if it is affected.

What it is: CVE-2020-27422 is a critical vulnerability in n/a, published on 16 Nov 2020. 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-2020-27422 in the wild and no public exploit code.

Affected product: n/a. 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-2020-27422/ (Markdown: https://insights.sbomify.com/CVE-2020-27422/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-27422
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-27422
- OSV: https://osv.dev/vulnerability/CVE-2020-27422

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-27422/
Summaries are generated and may contain mistakes; the official description above is the record.