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CVE-2024-45191

18
FAUCET Score

CVE-2024-45191 affects Matrix libolm versions through 3.2.16, specifically its AES implementation, which is susceptible to cache-timing attacks due to S-box usage. This vulnerability, rated Medium (CVSS 5.3), requires high attack complexity and low privileges, potentially leading to high integrity impact but no confidentiality or availability impact. While it affects unsupported products, there is currently no public exploit intelligence, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.2.16CPE matchmatch criteria
cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
37.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 29th percentile among its peer group of 1,425 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

gitlab.matrix.org / matrix-org/olm
Product
gitlab.matrix.org / matrix-org/olm/-/commit/6d4b5b07887821a95b144091c8497d09d377f985
Patch
news.ycombinator.com / item
Issue Tracking
soatok.blog / 2024/08/14/security-issues-in-matrixs-olm-library
Exploit