5.5

CVE-2020-35907: rust-lang futures-task NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-35907GHSA-p9m5-3hj7-cp5rRUSTSEC-2020-0061
Published 31-12-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-35907 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in rust-lang futures-task. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.41%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 31-12-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the futures-task crate before 0.3.5 for Rust. futures_task::noop_waker_ref allows a NULL pointer dereference.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.41%

Chance of exploitation in the next 30 days

Percentile

34%

Versus all other CVEs

30-day change

0.00 pp

From 0.40% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.41%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (rustsec.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Crates.Io1 product
  • futures-task< 0.3.5 | ≥ 0.0.0-0, < 0.3.5
Rust-lang1 product
Ubuntu1 product
  • rust-futures-taskAll versions (No fix recorded)

3 vendors · 3 products

References

7 links