PatchTheCVECVE-2020-13897: HESK before 3.1.10 allows reflected XSS.
34
Routine
MEDIUM 6.1UPGRADE
CVE-2020-13897 is a medium-severity flaw (CVSS 6.1) affecting hesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
HESK before 3.1.10 allows reflected XSS.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 49%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2020-06-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
hesk hesk UPGRADE
Affected: < 3.1.10
Fixed in: 3.1.10
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy hesk || rpm -q hesk || hesk --version
2. UPGRADE to 3.1.10 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade hesk
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade hesk
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.
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-2020-13897?
hesk: upgrade to 3.1.10. Exact commands for each OS are on this page.
Is CVE-2020-13897 being exploited?
CVE-2020-13897 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-2020-13897 affect?
CVE-2020-13897 affects hesk. Severity is medium (CVSS 6.1). HESK before 3.1.10 allows reflected XSS.
How urgent is CVE-2020-13897?
Priority 34/100. No elevated risk signals yet.