4.3

CVE-2021-22303: huawei taurus-al00a_firmware Double Free

CVSS: 4.3v2.0MediumModified
Published 06-02-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-22303 is a medium (CVSS 4.3) Double Free vulnerability in huawei taurus-al00a_firmware. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43.2% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
0.52%
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 pointer double free vulnerability in Taurus-AL00A 10.0.0.1(C00E1R1P1). There is a lack of muti-thread protection when a function is called. Attackers can exploit this vulnerability by performing malicious operation to cause pointer double free. This may lead to module crash, compromising normal service.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

0.00 pp

From 0.52% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.52%

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