How severe is CVE-2023-31861?

CVE-2023-31861 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-31861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31861?

CVE-2023-31861 affects Zlmediakit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-31861 published?

CVE-2023-31861 was published on 2023-05-25 and last updated on 2026-06-17.

CVE-2023-31861

CVE-2023-31861 is a high-severity vulnerability in Zlmediakit with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Zlmediakit
Published: 2023-05-25
Last modified: 2026-06-17

Description

ZLMediaKit 4.0 is vulnerable to Directory Traversal.

Frequently asked questions

What is CVE-2023-31861?: ZLMediaKit 4.0 is vulnerable to Directory Traversal.
How severe is CVE-2023-31861?: CVE-2023-31861 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-31861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31861?: CVE-2023-31861 affects Zlmediakit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-31861 published?: CVE-2023-31861 was published on 2023-05-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:zlmediakit:zlmediakit:4.0:*:*:*:*:*:*:*

More vulnerabilities in Zlmediakit

CVE-2026-35203 — High (CVSS 7.5): ZLMediaKit is a streaming media service framework. the VP9 RTP payload parser in ext-codec/VP9Rtp.cpp reads multiple…
CVE-2022-37237 — High (CVSS 7.5): An attacker can send malicious RTMP requests to make the ZLMediaKit server crash remotely. Affected version is below…
CVE-2023-39067 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in ZLMediaKiet v.4.0 and v.5.0 allows an attacker to execute arbitrary code via a…

All CVEs affecting Zlmediakit →

Other CWE-22 (Path Traversal) vulnerabilities

CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…

Browse all CWE-22 (Path Traversal) vulnerabilities →