7.5

CVE-2021-20209: privoxy

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-20209DEBIAN-CVE-2021-20209
Published 25-05-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-20209 is a high (CVSS 7.5) vulnerability in privoxy. EPSS estimates a 1.90% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.90%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DLA-2548-1USN-4886-1

Timeline

  1. 25-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A memory leak vulnerability was found in Privoxy before 3.0.29 in the show-status CGI handler when no action files are configured.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.90%

Chance of exploitation in the next 30 days

Percentile

79%

Versus all other CVEs

30-day change

0.00 pp

From 1.90% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.90%

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

Debian1 product
  • privoxy< 3.0.29-1
Privoxy1 product
Ubuntu1 product
  • privoxy< 3.0.21-7+deb8u1ubuntu0.1~esm1 | < 3.0.24-1ubuntu0.1 | < 3.0.26-5ubuntu0.1 | < 3.0.28-2ubuntu0.1

3 vendors · 3 products

References

10 links