8.1

CVE-2023-30576: apache software foundation apache guacamole Use After Free

CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2023-30576CGA-9p68-25f3-g2cfCGA-9x64-7g4c-whr4
Published 07-06-2023Last modified 10-10-2024

Vulnerability summary

CVE-2023-30576 is a high (CVSS 8.1) Use After Free vulnerability in apache software foundation apache guacamole. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 2

Timeline

  1. 07-06-2023
    PublishedVulnerability first disclosed.
  2. 10-10-2024
    Last modifiedVulnerability information updated.

Description

Apache Guacamole 0.9.10 through 1.5.1 may continue to reference a freed RDP audio input buffer. Depending on timing, this may allow an attacker to execute arbitrary code with the privileges of the guacd process.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.11%

Chance of exploitation in the next 30 days

Percentile

65%

Versus all other CVEs

30-day change

0.00 pp

From 1.11% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.11%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apache1 product
Apache software foundation1 product
Chainguard1 product
  • guacamole-serverAll versions (No fix recorded)
Ubuntu1 product
  • guacamole-clientAll versions (No fix recorded)
Wolfi1 product
  • guacamole-serverAll versions (No fix recorded)

5 vendors · 5 products

References

5 links