CVE-2021-36981: In the server in SerNet verinice before 1.22.2, insecure Java deserialization allows remote authenticated atta

Q: How do I fix CVE-2021-36981?

verinice: upgrade to 1.22.2. Exact commands for each OS are on this page.

Q: Is CVE-2021-36981 being exploited?

CVE-2021-36981 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-2021-36981 affect?

CVE-2021-36981 affects verinice. Severity is high (CVSS 8.8). In the server in SerNet verinice before 1.22.2, insecure Java deserialization allows remote authenticated attackers to execute arbitrary code.

Q: How urgent is CVE-2021-36981?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-36981 is a high-severity flaw (CVSS 8.8) affecting verinice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In the server in SerNet verinice before 1.22.2, insecure Java deserialization allows remote authenticated attackers to execute arbitrary code.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-502
Published	2021-08-31
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sernet

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

Am I affected?

Timeline

2021-08-31 04:15 UTCPublished CVE record published
2026-06-17 03:59 UTCUpdated Record last modified

sernet verinice UPGRADE

Affected: < 1.22.2

Fixed in: 1.22.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.22.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade verinice

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade verinice

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-2021-36981?

verinice: upgrade to 1.22.2. Exact commands for each OS are on this page.

Is CVE-2021-36981 being exploited?

CVE-2021-36981 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-2021-36981 affect?

CVE-2021-36981 affects verinice. Severity is high (CVSS 8.8). In the server in SerNet verinice before 1.22.2, insecure Java deserialization allows remote authenticated attackers to execute arbitrary code.

How urgent is CVE-2021-36981?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

Software pages

Java vulnerabilities

References

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