How severe is CVE-2020-29539?

CVE-2020-29539 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-29539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-29539?

CVE-2020-29539 affects Systransoft Pure Neural Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-29539?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-29539 published?

CVE-2020-29539 was published on 2020-12-08 and last updated on 2026-06-17.

CVE-2020-29539

CVE-2020-29539 is a medium-severity vulnerability in Systransoft Pure Neural Server with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Systransoft Pure Neural Server
Published: 2020-12-08
Last modified: 2026-06-17

Description

A Cross-Site Scripting (XSS) issue in WebUI Translation in Systran Pure Neural Server before 9.7.0 allows a threat actor to have a remote authenticated user run JavaScript from a malicious site.

Frequently asked questions

What is CVE-2020-29539?: A Cross-Site Scripting (XSS) issue in WebUI Translation in Systran Pure Neural Server before 9.7.0 allows a threat actor to have a remote authenticated user run JavaScript from a malicious site.
How severe is CVE-2020-29539?: CVE-2020-29539 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-29539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-29539?: CVE-2020-29539 affects Systransoft Pure Neural Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-29539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-29539 published?: CVE-2020-29539 was published on 2020-12-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:systransoft:pure_neural_server:*:*:*:*:*:*:*:*

More vulnerabilities in Systransoft Pure Neural Server

CVE-2020-29540 — High (CVSS 7.5): API calls in the Translation API feature in Systran Pure Neural Server before 9.7.0 allow a threat actor to use the…

All CVEs affecting Systransoft Pure Neural Server →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →