How severe is CVE-2020-24027?

CVE-2020-24027 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-24027 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-24027?

CVE-2020-24027 affects Live555 Liblivemedia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-24027?

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

When was CVE-2020-24027 published?

CVE-2020-24027 was published on 2021-01-11 and last updated on 2026-06-17.

CVE-2020-24027

CVE-2020-24027 is a critical-severity vulnerability in Live555 Liblivemedia with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Live555 Liblivemedia
Published: 2021-01-11
Last modified: 2026-06-17

Description

In Live Networks, Inc., liblivemedia version 20200625, there is a potential buffer overflow bug in the server handling of a RTSP "PLAY" command, when the command specifies seeking by absolute time.

Frequently asked questions

What is CVE-2020-24027?: In Live Networks, Inc., liblivemedia version 20200625, there is a potential buffer overflow bug in the server handling of a RTSP "PLAY" command, when the command specifies seeking by absolute time.
How severe is CVE-2020-24027?: CVE-2020-24027 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-24027 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-24027?: CVE-2020-24027 affects Live555 Liblivemedia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-24027?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-24027 published?: CVE-2020-24027 was published on 2021-01-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:live555:liblivemedia:20200625:*:*:*:*:*:*:*

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