How severe is CVE-2022-27242?

CVE-2022-27242 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-27242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27242?

CVE-2022-27242 affects Siemens Openv2g. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27242?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-27242 published?

CVE-2022-27242 was published on 2022-05-20 and last updated on 2026-06-17.

CVE-2022-27242

CVE-2022-27242 is a medium-severity vulnerability in Siemens Openv2g with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Siemens Openv2g
Published: 2022-05-20
Last modified: 2026-06-17

Description

A vulnerability has been identified in OpenV2G (V0.9.4). 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.

Frequently asked questions

What is CVE-2022-27242?: A vulnerability has been identified in OpenV2G (V0.9.4). 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.
How severe is CVE-2022-27242?: CVE-2022-27242 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-27242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27242?: CVE-2022-27242 affects Siemens Openv2g. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27242?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27242 published?: CVE-2022-27242 was published on 2022-05-20 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-736385.pdf

Affected products (1)

cpe:2.3:a:siemens:openv2g:0.9.4:*:*:*:*:*:*:*

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