5.9

CVE-2022-48566: debian debian_linux

Modified
AliasesUBUNTU-CVE-2022-48566USN-6400-1DEBIAN-CVE-2022-48566
Published 22-08-2023Last modified 03-10-2024

Vulnerability summary

CVE-2022-48566 is a medium (CVSS 5.9) vulnerability in debian debian_linux. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
1.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 11 · Related 11

Timeline

  1. 22-08-2023
    PublishedVulnerability first disclosed.
  2. 03-10-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.30%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.30% on 04-10-2026

04-10-202603-11-2026

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

1 found
  • referenceUnverified

    Exploit Reference (bugs.python.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu6 products
  • python2.7All versions (No fix recorded) | < 2.7.18-1~20.04.7 | < 2.7.18-13ubuntu1.5 | < 2.7.12-1ubuntu0~16.04.18+esm7 | < 2.7.17-1~18.04ubuntu1.13+esm2
  • python3.4All versions (No fix recorded)
  • python3.5< 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 | < 3.5.2-2ubuntu0~16.04.13+esm11
  • python3.6< 3.6.9-1~18.04ubuntu1.13+esm2
  • python3.7< 3.7.5-2ubuntu1~18.04.2+esm3
Debian2 products
Netapp2 products
Python1 product
  • python< 3.6.13 | ≥ 3.7.0, < 3.7.10 | ≥ 3.8.0, < 3.8.7 | ≥ 3.9.0, < 3.9.1

4 vendors · 11 products

References

12 links
Show all 12 references