# CVE-2021-29883: Information disclosure in Transformation Extender Advanced

> Attackers can steal session cookies via insecure HTTP links, potentially leading to account takeover in IBM Transformation Extender Advanced.

- **Severity:** Medium 4.3 (`CVSS:3.0/AC:L/UI:R/S:U/C:L/PR:N/I:N/AV:N/A:N/RL:O/E:U/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 21 Oct 2021
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-9c2c-p776-g29v

## What is CVE-2021-29883?

CVE-2021-29883 is a medium-severity vulnerability in IBM Transformation Extender Advanced, published on 21 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

IBM Standards Processing Engine (IBM Transformation Extender Advanced 9.0 and 10.0) does not set the secure attribute on authorization tokens or session cookies. Attackers may be able to get the cookie values by sending a http:// link to a user or by planting this link in a site the user goes to. The cookie will be sent to the insecure link and the attacker can then obtain the cookie value by snooping the traffic. IBM X-Force ID: 207090.

Weakness: CWE-311 (Missing Encryption of Sensitive Data)

## Which versions are affected by CVE-2021-29883?

It affects 1 product.


Products: Ibm Transformation Extender Advanced.

## How do I fix CVE-2021-29883?

No fix has been published for CVE-2021-29883 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-29883 being exploited?

There is no known exploitation of CVE-2021-29883 in the wild and no public exploit code.

## Other vulnerabilities in IBM Transformation Extender Advanced

- [CVE-2023-49886](https://insights.sbomify.com/CVE-2023-49886/): IBM Transformation Extender Advanced code execution (critical 9.8)
- [CVE-2023-49881](https://insights.sbomify.com/CVE-2023-49881/): IBM Transformation Extender Advanced session fixation (medium 6.3)
- [CVE-2023-49883](https://insights.sbomify.com/CVE-2023-49883/): IBM Transformation Extender Advanced information disclosure (medium 5.9)
- [CVE-2023-50300](https://insights.sbomify.com/CVE-2023-50300/): IBM Transformation Extender Advanced improper access control (medium 5.1)
- [CVE-2023-50301](https://insights.sbomify.com/CVE-2023-50301/): IBM Transformation Extender Advanced information disclosure (low 1.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-29883 and fix it if it is affected.

What it is: CVE-2021-29883 is a medium-severity vulnerability in IBM Transformation Extender Advanced, published on 21 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-29883 in the wild and no public exploit code.

Affected product: IBM Transformation Extender Advanced. 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-2021-29883/ (Markdown: https://insights.sbomify.com/CVE-2021-29883/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-29883
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-29883
- OSV: https://osv.dev/vulnerability/CVE-2021-29883

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-29883/
Summaries are generated and may contain mistakes; the official description above is the record.