CVE-2025-70083: An issue was discovered in OpenSatKit 2.2.1

Routine

HIGH 7.8DOWNGRADE

CVE-2025-70083 is a high-severity flaw (CVSS 7.8) affecting opensatkit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in OpenSatKit 2.2.1. The DirName field in the telecommand is provided by the ground segment and must be treated as untrusted input. The program copies DirName into the local buffer DirWithSep using strcpy. The size of this buffer is OS_MAX_PATH_LEN. If the length of DirName is greater than or equal to OS_MAX_PATH_LEN, a stack buffer overflow occurs, overwriting adjacent stack memory. The path length check (FileUtil_AppendP

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-121
Published	2026-02-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opensatkit

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

Am I affected?

Timeline

2026-02-11 18:16 UTCPublished CVE record published
2026-06-17 10:03 UTCUpdated Record last modified

opensatkit opensatkit DOWNGRADE

Affected: 2.2.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.2.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.2.1 (Debian / Ubuntu)

apt-cache madison opensatkit sudo apt install opensatkit=<VERSION_BEFORE_2.2.1> sudo apt-mark hold opensatkit

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

dnf --showduplicates list opensatkit sudo dnf downgrade opensatkit-<VERSION_BEFORE_2.2.1> sudo dnf versionlock add opensatkit

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-2025-70083?

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

Is CVE-2025-70083 being exploited?

CVE-2025-70083 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-2025-70083 affect?

CVE-2025-70083 affects opensatkit. Severity is high (CVSS 7.8). An issue was discovered in OpenSatKit 2.2.1. The DirName field in the telecommand is provided by the ground segment and must be treated as untrusted input. The program copies DirName into the local buffer DirWithSep using strcpy. The size o

How urgent is CVE-2025-70083?

Priority 31/100. High severity

Related CVEs

CVE-2025-70085 CRITICAL 9.8 DOWNGRADE An issue was discovered in OpenSatKit 2.2.1
CVE-2025-70084 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in OpenSatKit 2.2.1 allows attackers to gain access to sensitive information

References

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