CVE-2022-34549: Sims v1.0 was discovered to contain an arbitrary file upload vulnerability via the component /uploadServlet

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HIGH 8.8DOWNGRADE

CVE-2022-34549 is a high-severity flaw (CVSS 8.8) affecting sims. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sims v1.0 was discovered to contain an arbitrary file upload vulnerability via the component /uploadServlet. This vulnerability allows attackers to escalate privileges and execute arbitrary commands via a crafted file.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.4% (top 27%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-07-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sims project

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

Am I affected?

Timeline

2022-07-27 14:15 UTCPublished CVE record published
2026-06-17 04:50 UTCUpdated Record last modified

sims project sims DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison sims sudo apt install sims=<VERSION_BEFORE_1.0> sudo apt-mark hold sims

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

dnf --showduplicates list sims sudo dnf downgrade sims-<VERSION_BEFORE_1.0> sudo dnf versionlock add sims

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-2022-34549?

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

Is CVE-2022-34549 being exploited?

CVE-2022-34549 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-2022-34549 affect?

CVE-2022-34549 affects sims. Severity is high (CVSS 8.8). Sims v1.0 was discovered to contain an arbitrary file upload vulnerability via the component /uploadServlet. This vulnerability allows attackers to escalate privileges and execute arbitrary commands via a crafted file.

How urgent is CVE-2022-34549?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2022-34551 MEDIUM 6.5 DOWNGRADE Sims v1.0 was discovered to allow path traversal when downloading attachments.

References

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