9.8

CVE-2020-24027: live555 liblivemedia Out-of-bounds Write

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2020-24027DEBIAN-CVE-2020-24027
Published 11-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-24027 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in live555 liblivemedia. EPSS estimates a 1.63% chance of exploitation in the next 30 days, higher than 75.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
1.63%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 11-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.63%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

+0.02 pp

From 1.61% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (lists.live555.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • liblivemedia< 2026.09.23-dfsg-1
Live5551 product
Ubuntu1 product
  • liblivemediaAll versions (No fix recorded)

3 vendors · 3 products

References

5 links