CVE-2020-13377: The web-services interface of Loadbalancer.org Enterprise VA MAX through 8.3.8 could allow an authenticated, r

Q: How do I fix CVE-2020-13377?

enterprise va max: upgrade to newer than 8.3.8. Exact commands for each OS are on this page.

Q: Is CVE-2020-13377 being exploited?

CVE-2020-13377 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-2020-13377 affect?

CVE-2020-13377 affects enterprise va max. Severity is high (CVSS 8.1). The web-services interface of Loadbalancer.org Enterprise VA MAX through 8.3.8 could allow an authenticated, remote, low-privileged attacker to conduct directory traversal attacks and obtain read and write access to sensitive files.

Q: How urgent is CVE-2020-13377?

Priority 52/100. High severity; Public exploit reference

This month

HIGH 8.1UPGRADE

CVE-2020-13377 is a high-severity flaw (CVSS 8.1) affecting enterprise va max. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The web-services interface of Loadbalancer.org Enterprise VA MAX through 8.3.8 could allow an authenticated, remote, low-privileged attacker to conduct directory traversal attacks and obtain read and write access to sensitive files.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-05-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: loadbalancer

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

Am I affected?

Timeline

2023-05-12 11:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

loadbalancer enterprise va max UPGRADE

Affected: <= 8.3.8

Fixed in: newer than 8.3.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy enterprise-va-max || rpm -q enterprise-va-max || enterprise-va-max --version

2. UPGRADE to newer than 8.3.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade enterprise-va-max

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade enterprise-va-max

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-2020-13377?

enterprise va max: upgrade to newer than 8.3.8. Exact commands for each OS are on this page.

Is CVE-2020-13377 being exploited?

CVE-2020-13377 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-2020-13377 affect?

CVE-2020-13377 affects enterprise va max. Severity is high (CVSS 8.1). The web-services interface of Loadbalancer.org Enterprise VA MAX through 8.3.8 could allow an authenticated, remote, low-privileged attacker to conduct directory traversal attacks and obtain read and write access to sensitive files.

How urgent is CVE-2020-13377?

Priority 52/100. High severity; Public exploit reference

Related CVEs

CVE-2020-13378 HIGH 8.8 UPGRADE Loadbalancer.org Enterprise VA MAX through 8.3.8 has an OS Command Injection vulnerability that allows a remot

References

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