8.8

CVE-2020-15685: mozilla thunderbird Command Injection

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2020-15685DEBIAN-CVE-2020-15685
Published 22-12-2022Last modified 16-04-2025
Open JSON

Vulnerability summary

CVE-2020-15685 is a high (CVSS 8.8) Command Injection vulnerability in mozilla thunderbird. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.85%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 12 · Related 5
DLA-2541-1DSA-4842-1MGASA-2021-0066OPENSUSE-SU-2021:0208-1OPENSUSE-SU-2021:0209-1OPENSUSE-SU-2024:10601-1

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 16-04-2025
    Last modifiedVulnerability information updated.

Description

During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. This vulnerability affects Thunderbird < 78.7.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.85%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.85% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.mozilla.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • thunderbird< 1:78.7.0-1
Mozilla1 product
Ubuntu1 product
  • thunderbird< 1:78.8.1+build1-0ubuntu0.18.04.1 | < 1:78.7.1+build1-0ubuntu0.20.04.1

3 vendors · 3 products

References

7 links