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CVE-2025-24956: A vulnerability has been identified in OpenV2G (All versions < V0.9.6)

30
Routine
MEDIUM 6.2UPGRADE

CVE-2025-24956 is a medium-severity flaw (CVSS 6.2) affecting openv2g. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory corruption.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.2 (Medium)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.4% (top 65%)
CISA exploited listNo
WeaknessCWE-120
Published2025-02-11
Last modified2026-06-17
Publisher (CNA): Siemens AG · Vendor: siemens

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

Am I affected?

Timeline

siemens openv2g UPGRADE
Affected: < 0.9.6
Fixed in: 0.9.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy openv2g || rpm -q openv2g || openv2g --version
2. UPGRADE to 0.9.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade openv2g
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade openv2g
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-2025-24956?

openv2g: upgrade to 0.9.6. Exact commands for each OS are on this page.

Is CVE-2025-24956 being exploited?

CVE-2025-24956 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-2025-24956 affect?

CVE-2025-24956 affects openv2g. Severity is medium (CVSS 6.2). A vulnerability has been identified in OpenV2G (All versions < V0.9.6). The OpenV2G EXI parsing feature is missing a length check when parsing X509 serial numbers. Thus, an attacker could introduce a buffer overflow that leads to memory cor

How urgent is CVE-2025-24956?

Priority 30/100. No elevated risk signals yet.

Software pages

Siemens vulnerabilities

References

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