How severe is CVE-2019-15944?

CVE-2019-15944 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2019-15944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15944?

CVE-2019-15944 affects Valvesoftware Counter-strike. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15944?

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

When was CVE-2019-15944 published?

CVE-2019-15944 was published on 2019-09-05 and last updated on 2026-06-17.

CVE-2019-15944

CVE-2019-15944 is a medium-severity vulnerability in Valvesoftware Counter-strike with a CVSS 3.x base score of 5.3. 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-116.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-116
Affected product: Valvesoftware Counter-strike
Published: 2019-09-05
Last modified: 2026-06-17

Description

In Counter-Strike: Global Offensive before 8/29/2019, community game servers can display unsafe HTML in a disconnection message.

Frequently asked questions

What is CVE-2019-15944?: In Counter-Strike: Global Offensive before 8/29/2019, community game servers can display unsafe HTML in a disconnection message.
How severe is CVE-2019-15944?: CVE-2019-15944 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2019-15944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15944?: CVE-2019-15944 affects Valvesoftware Counter-strike. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15944?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15944 published?: CVE-2019-15944 was published on 2019-09-05 and last updated on 2026-06-17.

References

https://blog.counter-strike.net/index.php/2019/08/25353/

Affected products (1)

cpe:2.3:a:valvesoftware:counter-strike\:global_offensive:*:*:*:*:*:*:*:*

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