# CVE-2021-29481: Unencrypted storage of client side sessions

Source: https://junglewise.ai/threats/cve-2021-29481-unencrypted-storage-of-client-side-sessions  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-07-01  
License: CC BY 4.0 with a link back

CVE-2021-29481 · Severity: low · CVSS 3.1 · Published 2021-07-01

Unencrypted storage of client side sessions

Technologies: [io.ratpack:ratpack-session (Maven)](https://junglewise.ai/threats/technologies/io-ratpack-ratpack-session). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2021-29481 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-29481 being exploited in the wild.

**How severe is CVE-2021-29481?** Low severity, with a CVSS score of 3.1, published 1 July 2021.

**Which products and versions are affected?** io.ratpack:ratpack-session (Maven) ECOSYSTEM:introduced=0,fixed=1.9.0.

**Is there a fix for CVE-2021-29481?** Yes. io.ratpack:ratpack-session (Maven): upgrade to 1.9.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-29481?** Check whether you run io.ratpack:ratpack-session (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- io.ratpack:ratpack-session (Maven): upgrade to 1.9.0 or later

  ```sh
  # set io.ratpack:ratpack-session to 1.9.0 in your pom.xml or build.gradle
  ```


## Affected products

- io.ratpack:ratpack-session (Maven) ECOSYSTEM:introduced=0,fixed=1.9.0

## Identifiers

- CVE-2021-29481
- GHSA-phj8-4cq3-794g

## Related threats

- [Ratpack's default client side session signing key is highly predictable](https://junglewise.ai/threats/cve-2021-29480-ratpack-s-default-client-side-session-signing-key-is-highly)
- [Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Ratpack](https://junglewise.ai/threats/cve-2019-11808-use-of-cryptographically-weak-pseudo-random-number-generator-prng)