CVE-2020-29539: A Cross-Site Scripting (XSS) issue in WebUI Translation in Systran Pure Neural Server before 9.7.0 allows a th

Q: How do I fix CVE-2020-29539?

pure neural server: upgrade to 9.7.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-29539 being exploited?

CVE-2020-29539 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-29539 affect?

CVE-2020-29539 affects pure neural server. Severity is medium (CVSS 5.4). 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.

Q: How urgent is CVE-2020-29539?

Priority 37/100. Public exploit reference

Routine

MEDIUM 5.4UPGRADE

CVE-2020-29539 is a medium-severity flaw (CVSS 5.4) affecting pure neural server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: systransoft

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

Am I affected?

Timeline

2020-12-08 13:15 UTCPublished CVE record published
2026-06-17 03:11 UTCUpdated Record last modified

systransoft pure neural server UPGRADE

Affected: < 9.7.0

Fixed in: 9.7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pure-neural-server || rpm -q pure-neural-server || pure-neural-server --version

2. UPGRADE to 9.7.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pure-neural-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pure-neural-server

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2020-29539?

pure neural server: upgrade to 9.7.0. Exact commands for each OS are on this page.

Is CVE-2020-29539 being exploited?

CVE-2020-29539 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-2020-29539 affect?

CVE-2020-29539 affects pure neural server. Severity is medium (CVSS 5.4). 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 urgent is CVE-2020-29539?

Priority 37/100. Public exploit reference

Related CVEs

CVE-2020-29540 HIGH 7.5 UPGRADE API calls in the Translation API feature in Systran Pure Neural Server before 9.7.0 allow a threat actor to us

References

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