5.3
MEDIUM
CVE-2024-45191
Apache Olm AES Cache-Timing Attacks
Description

An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

INFO

Published Date :

Aug. 22, 2024, 4:15 p.m.

Last Modified :

June 17, 2025, 8:03 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2024-45191 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Matrix olm
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-45191.

URL Resource
https://gitlab.matrix.org/matrix-org/olm/ Product
https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985 Patch
https://news.ycombinator.com/item?id=41249371 Issue Tracking
https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ Exploit

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-45191 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-45191 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 17, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:* versions up to (including) 3.2.16
    Added Reference Type MITRE: https://gitlab.matrix.org/matrix-org/olm/ Types: Product
    Added Reference Type MITRE: https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985 Types: Patch
    Added Reference Type MITRE: https://news.ycombinator.com/item?id=41249371 Types: Issue Tracking
    Added Reference Type MITRE: https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ Types: Exploit
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 10, 2024

    Action Type Old Value New Value
    Removed CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 CISA-ADP AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
  • CVE Modified by [email protected]

    Sep. 01, 2024

    Action Type Old Value New Value
    Changed Description An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
  • CVE Modified by [email protected]

    Aug. 28, 2024

    Action Type Old Value New Value
    Changed Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 22, 2024

    Action Type Old Value New Value
    Added CWE CISA-ADP CWE-208
    Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE Received by [email protected]

    Aug. 22, 2024

    Action Type Old Value New Value
    Added Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to software that uses a lookup table for the SubWord step. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
    Added Reference MITRE https://soatok.blog/2024/08/14/security-issues-in-matrixs-olm-library/ [No types assigned]
    Added Reference MITRE https://gitlab.matrix.org/matrix-org/olm/ [No types assigned]
    Added Reference MITRE https://news.ycombinator.com/item?id=41249371 [No types assigned]
    Added Reference MITRE https://gitlab.matrix.org/matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985 [No types assigned]
    Added Tag MITRE unsupported-when-assigned
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-45191 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-45191 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
© cvefeed.io
Latest DB Update: Jun. 27, 2025 19:53