7.5

CVE-2020-25275: debian debian_linux Improper Input Validation

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2020-25275UBUNTU-CVE-2020-25275USN-4674-2
Published 04-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-25275 is a high (CVSS 7.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 4.72% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
4.72%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 6
DLA-2517-1DSA-4825-1MGASA-2021-0008OPENSUSE-SU-2021:0026-1OPENSUSE-SU-2021:0072-1RHSA-2021:1887

Timeline

  1. 04-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

4.72%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.06 pp

From 4.66% on 20-09-2026

20-09-202620-10-2026
EPSS score
4.72%

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

Debian2 products
Alpine1 product
  • dovecot< 2.3.13-r0
Dovecot1 product
Fedoraproject1 product
Ubuntu1 product
  • dovecot< 1:2.2.22-1ubuntu2.14 | < 1:2.2.33.2-1ubuntu4.7 | < 1:2.3.7.2-1ubuntu3.3 | < 1:2.2.9-1ubuntu2.6+esm4

5 vendors · 6 products

References

14 links
Show all 14 references