CVE-2024-13111: A vulnerability classified as critical was found in Beijing Yunfan Internet Technology Yunfan Learning Examina

This week

MEDIUM 5.6REMOTEDOWNGRADE

CVE-2024-13111 is a medium-severity flaw (CVSS 5.6) affecting yunfan learning examination system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical was found in Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2. Affected by this vulnerability is an unknown functionality of the file src/main/java/com/yf/exam/modules/sys/user/controller/SysUserControl of the component JWT Token Handler. The manipulation leads to improper authentication. The attack can be launched remotely. The complexity of an attack is rather high. The exploitat

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-287
Published	2025-01-02
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: kaoshifeng

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

Am I affected?

Timeline

2025-01-02 14:15 UTCPublished CVE record published
2026-06-17 07:01 UTCUpdated Record last modified

kaoshifeng yunfan learning examination system DOWNGRADE

Affected: 1.9.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.9.2

1. Check installed version

apt-cache policy yunfan-learning-examination-system || rpm -q yunfan-learning-examination-system || yunfan-learning-examination-system --version

2. No fixed release: DOWNGRADE to a release before 1.9.2 (Debian / Ubuntu)

apt-cache madison yunfan-learning-examination-system sudo apt install yunfan-learning-examination-system=<VERSION_BEFORE_1.9.2> sudo apt-mark hold yunfan-learning-examination-system

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

dnf --showduplicates list yunfan-learning-examination-system sudo dnf downgrade yunfan-learning-examination-system-<VERSION_BEFORE_1.9.2> sudo dnf versionlock add yunfan-learning-examination-system

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-2024-13111?

yunfan learning examination system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-13111 being exploited?

CVE-2024-13111 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-2024-13111 affect?

CVE-2024-13111 affects yunfan learning examination system. Severity is medium (CVSS 5.6). A vulnerability classified as critical was found in Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2. Affected by this vulnerability is an unknown functionality of the file src/main/java/com/yf/exam/modules/sys/us

How urgent is CVE-2024-13111?

Priority 44/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

Related CVEs

CVE-2024-13110 MEDIUM 4.3 DOWNGRADE A vulnerability classified as problematic has been found in Beijing Yunfan Internet Technology Yunfan Learning
CVE-2024-13109 MEDIUM 5.3 DOWNGRADE A vulnerability was found in Beijing Yunfan Internet Technology Yunfan Learning Examination System 1.9.2

References

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