CVE-2024-51111: Cross-Site Scripting (XSS) vulnerability in Pnetlab 5.3.11 allows an attacker to inject malicious scripts into

Routine

MEDIUM 4.1DOWNGRADE

CVE-2024-51111 is a medium-severity flaw (CVSS 4.1) affecting pnetlab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-Site Scripting (XSS) vulnerability in Pnetlab 5.3.11 allows an attacker to inject malicious scripts into a web page, which are executed in the context of the victim's browser.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-01-06
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: pnetlab

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-06 16:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

pnetlab pnetlab DOWNGRADE

Affected: 5.3.11

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.3.11

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.3.11 (Debian / Ubuntu)

apt-cache madison pnetlab sudo apt install pnetlab=<VERSION_BEFORE_5.3.11> sudo apt-mark hold pnetlab

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pnetlab sudo dnf downgrade pnetlab-<VERSION_BEFORE_5.3.11> sudo dnf versionlock add pnetlab

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-51111?

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

Is CVE-2024-51111 being exploited?

CVE-2024-51111 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-2024-51111 affect?

CVE-2024-51111 affects pnetlab. Severity is medium (CVSS 4.1). Cross-Site Scripting (XSS) vulnerability in Pnetlab 5.3.11 allows an attacker to inject malicious scripts into a web page, which are executed in the context of the victim's browser.

How urgent is CVE-2024-51111?

Priority 26/100. Public exploit reference

Related CVEs

CVE-2024-51112 MEDIUM 6.1 DOWNGRADE Open Redirect vulnerability in Pnetlab 5.3.11 allows an attacker to manipulate URLs to redirect users to arbit
CVE-2025-63749 MEDIUM 6.5 DOWNGRADE pnetlab 5.3.11 is vulnerable to Command Injection via the qemu_options parameter.

References

← Back to latest CVEs