How severe is CVE-2019-15502?

CVE-2019-15502 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-15502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15502?

CVE-2019-15502 affects Teamspeak. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15502?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-15502 published?

CVE-2019-15502 was published on 2019-08-29 and last updated on 2026-06-17.

CVE-2019-15502

CVE-2019-15502 is a high-severity vulnerability in Teamspeak with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Teamspeak
Published: 2019-08-29
Last modified: 2026-06-17

Description

The TeamSpeak client before 3.3.2 allows remote servers to trigger a crash via the 0xe2 0x81 0xa8 0xe2 0x81 0xa7 byte sequence, aka Unicode characters U+2068 (FIRST STRONG ISOLATE) and U+2067 (RIGHT-TO-LEFT ISOLATE).

Frequently asked questions

What is CVE-2019-15502?: The TeamSpeak client before 3.3.2 allows remote servers to trigger a crash via the 0xe2 0x81 0xa8 0xe2 0x81 0xa7 byte sequence, aka Unicode characters U+2068 (FIRST STRONG ISOLATE) and U+2067 (RIGHT-TO-LEFT ISOLATE).
How severe is CVE-2019-15502?: CVE-2019-15502 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-15502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15502?: CVE-2019-15502 affects Teamspeak. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15502?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-15502 published?: CVE-2019-15502 was published on 2019-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:teamspeak:teamspeak:*:*:*:*:*:*:*:*

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