7.8

CVE-2023-21636: Improper Validation of Array Index in Linux

Modified
Published 05-09-2023Last modified 02-08-2024

Vulnerability summary

CVE-2023-21636 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.11%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 05-09-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Memory Corruption due to improper validation of array index in Linux while updating adn record.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.11% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Qualcomm51 products
Qualcomm, inc.1 product
  • snapdragonAQT1000 | QCA6390 | QCA6391 | QCA6420 | QCA6426 | QCA6430 | QCA6436 | QCA6574A | QCA6574AU | QCA6595AU | QCA6696 | QCC5100 | SA515M | SA6145P | SA6150P | SA6155P | SA8145P | SA8150P | SA8155P | SA8195P | SD480 | SD695 | SD855 | SD865 5G | SD870 | SDA429W | SDX55 | SDX55M | SDXR2 5G | SM4375 | SW5100 | SW5100P | WCD9341 | WCD9360 | WCD9370 | WCD9375 | WCD9380 | WCD9385 | WCN3610 | WCN3660B | WCN3680B | WCN3980 | WCN3988 | WCN3991 | WCN3998 | WCN6850 | WCN6851 | WSA8810 | WSA8815 | WSA8830 | WSA8835

2 vendors · 52 products

References

1 links