How severe is CVE-2022-36647?

CVE-2022-36647 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-36647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36647?

CVE-2022-36647 affects Davs2 Project Davs2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36647?

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

When was CVE-2022-36647 published?

CVE-2022-36647 was published on 2022-09-02 and last updated on 2026-06-17.

CVE-2022-36647

CVE-2022-36647 is a medium-severity vulnerability in Davs2 Project Davs2 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)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Davs2 Project Davs2
Published: 2022-09-02
Last modified: 2026-06-17

Description

PKUVCL davs2 v1.6.205 was discovered to contain a global buffer overflow via the function parse_sequence_header() at source/common/header.cc:269.

Frequently asked questions

What is CVE-2022-36647?: PKUVCL davs2 v1.6.205 was discovered to contain a global buffer overflow via the function parse_sequence_header() at source/common/header.cc:269.
How severe is CVE-2022-36647?: CVE-2022-36647 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-36647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36647?: CVE-2022-36647 affects Davs2 Project Davs2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-36647 published?: CVE-2022-36647 was published on 2022-09-02 and last updated on 2026-06-17.

References

https://github.com/pkuvcl/davs2/issues/29

Affected products (1)

cpe:2.3:a:davs2_project:davs2:1.6.205:*:*:*:*:*:*:*

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