7.5

CVE-2023-30575: apache software foundation apache guacamole Incorrect Calculation of Buffer Size

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-30575CGA-63r6-23r3-pg3xCGA-rh8x-6326-h4c6
Published 07-06-2023Last modified 10-10-2024
Open JSON

Vulnerability summary

CVE-2023-30575 is a high (CVSS 7.5) Incorrect Calculation of Buffer Size vulnerability in apache software foundation apache guacamole. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.01%
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
CGA-2XQ6-PRQR-JCF7CGA-42GW-5FJG-RRVH

Timeline

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

Description

Apache Guacamole 1.5.1 and older may incorrectly calculate the lengths of instruction elements sent during the Guacamole protocol handshake, potentially allowing an attacker to inject Guacamole instructions during the handshake through specially-crafted data.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

62%

Versus all other CVEs

30-day change

0.00 pp

From 1.01% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.01%

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