3.3

CVE-2021-22304: huawei taurus-al00a_firmware Use After Free

CVSS: 3.3v3.1LowModified
Published 06-02-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-22304 is a low (CVSS 3.3) Use After Free vulnerability in huawei taurus-al00a_firmware. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.8% of scored vulnerabilities.

Overall risk
13/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

There is a use after free vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). A module may refer to some memory after it has been freed while dealing with some messages. Attackers can exploit this vulnerability by sending specific message to the affected module. This may lead to module crash, compromising normal service.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Huawei1 product

1 vendor · 1 product

References

1 links