CVE-2020-10509: Sunnet eHRD, a human training and development management system, contains vulnerability of Cross-Site Scriptin

Routine

MEDIUM 6.1DOWNGRADE

CVE-2020-10509 is a medium-severity flaw (CVSS 6.1) affecting ehrd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sunnet eHRD, a human training and development management system, contains vulnerability of Cross-Site Scripting (XSS), attackers can inject arbitrary command into the system and launch XSS attack.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 42%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-03-27
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: sun

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

Am I affected?

Timeline

2020-03-27 08:15 UTCPublished CVE record published
2026-06-17 02:47 UTCUpdated Record last modified

sun ehrd DOWNGRADE

Affected: 8.0 · 9.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

1. Check installed version

apt-cache policy ehrd || rpm -q ehrd || ehrd --version

2. No fixed release: DOWNGRADE to a release before 8.0 (Debian / Ubuntu)

apt-cache madison ehrd sudo apt install ehrd=<VERSION_BEFORE_8.0> sudo apt-mark hold ehrd

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

dnf --showduplicates list ehrd sudo dnf downgrade ehrd-<VERSION_BEFORE_8.0> sudo dnf versionlock add ehrd

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-2020-10509?

ehrd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-10509 being exploited?

CVE-2020-10509 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-2020-10509 affect?

CVE-2020-10509 affects ehrd. Severity is medium (CVSS 6.1). Sunnet eHRD, a human training and development management system, contains vulnerability of Cross-Site Scripting (XSS), attackers can inject arbitrary command into the system and launch XSS attack.

How urgent is CVE-2020-10509?

Priority 36/100. No elevated risk signals yet.

Related CVEs

CVE-2021-43360 HIGH 8.8 DOWNGRADE Sunnet eHRD e-mail delivery task schedule’s serialization function has inadequate input object validation and
CVE-2021-43359 HIGH 8.8 DOWNGRADE Sunnet eHRD has broken access control vulnerability, which allows a remote attacker to access account manageme
CVE-2021-43358 HIGH 7.5 DOWNGRADE Sunnet eHRD has inadequate filtering for special characters in URLs, which allows a remote attacker to perform
CVE-2020-10510 HIGH 8.1 DOWNGRADE Sunnet eHRD, a human training and development management system, contains a vulnerability of Broken Access Con
CVE-2020-10508 HIGH 7.5 DOWNGRADE Sunnet eHRD, a human training and development management system, improperly stores system files

References

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