CVE-2024-12755: A Cross-Site Scripting (XSS) vulnerability in Avaya Spaces may have allowed unauthorized code execution and po

Routine

HIGH 7.9MITIGATE

CVE-2024-12755 is a high-severity flaw (CVSS 7.9) affecting spaces. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Cross-Site Scripting (XSS) vulnerability in Avaya Spaces may have allowed unauthorized code execution and potential disclose of sensitive information.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.9 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-02-11
Last modified	2026-06-17

Publisher (CNA): Avaya, Inc. · Vendor: avaya

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-02-11 17:15 UTCPublished CVE record published
2026-06-17 07:00 UTCUpdated Record last modified

avaya spaces MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy spaces || rpm -q spaces || spaces --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-12755?

spaces: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-12755 being exploited?

CVE-2024-12755 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-12755 affect?

CVE-2024-12755 affects spaces. Severity is high (CVSS 7.9). A Cross-Site Scripting (XSS) vulnerability in Avaya Spaces may have allowed unauthorized code execution and potential disclose of sensitive information.

How urgent is CVE-2024-12755?

Priority 34/100. High severity

Related CVEs

CVE-2024-12756 HIGH 7.3 MITIGATE An HTML Injection vulnerability in Avaya Spaces may have allowed disclosure of sensitive information or modifi

References

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