6.4

CVE-2009-2666: fetchmail Cryptographic Issues

Modified
AliasesDEBIAN-CVE-2009-2666DSA-1852-1
Published 07-08-2009Last modified 07-08-2024

Vulnerability summary

CVE-2009-2666 is a medium (CVSS 6.4) Cryptographic Issues vulnerability in fetchmail. EPSS estimates a 1.50% chance of exploitation in the next 30 days, higher than 74.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.4/10
010
Medium · v2.0 (NVD)
EPSS score
1.50%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
OPENSUSE-SU-2024:10194-1RHSA-2009:1427

Timeline

  1. 07-08-2009
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

socket.c in fetchmail before 6.3.11 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.50%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.50% 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

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

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

Debian1 product
  • fetchmail< 6.3.6-1etch2 | < 6.3.9~rc2-4+lenny1 | < 6.3.9~rc2-6
Fetchmail1 product
  • fetchmail≤ 6.3.10 | 4.5.1 | 4.5.2 | 4.5.3 | 4.5.4 | 4.5.5 | 4.5.6 | 4.5.7 | 4.5.8 | 4.6.0 | 4.6.1 | 4.6.2 | 4.6.3 | 4.6.4 | 4.6.5 | 4.6.6 | 4.6.7 | 4.6.8 | 4.6.9 | 4.7.0 | 4.7.1 | 4.7.2 | 4.7.3 | 4.7.4 | 4.7.5 | 4.7.6 | 4.7.7 | 5.0.0 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.0.6 | 5.0.7 | 5.0.8 | 5.1.0 | 5.1.4 | 5.2.0 | 5.2.1 | 5.2.3 | 5.2.4 | 5.2.7 | 5.2.8 | 5.3.0 | 5.3.1 | 5.3.3 | 5.3.8 | 5.4.0 | 5.4.3 | 5.4.4 | 5.4.5 | 5.5.0 | 5.5.2 | 5.5.3 | 5.5.5 | 5.5.6 | 5.6.0 | 5.7.0 | 5.7.2 | 5.7.4 | 5.8 | 5.8.1 | 5.8.2 | 5.8.3 | 5.8.4 | 5.8.5 | 5.8.6 | 5.8.11 | 5.8.13 | 5.8.14 | 5.8.17 | 5.9.0 | 5.9.4 | 5.9.5 | 5.9.8 | 5.9.10 | 5.9.11 | 5.9.13 | 6.0.0 | 6.1.0 | 6.1.3 | 6.2.0 | 6.2.1 | 6.2.2 | 6.2.3 | 6.2.4 | 6.2.5 | 6.2.5.1 | 6.2.5.2 | 6.2.5.4 | 6.2.6:pre4 | 6.2.6:pre8 | 6.2.6:pre9 | 6.2.9:rc10 | 6.2.9:rc3 | 6.2.9:rc4 | 6.2.9:rc5 | 6.2.9:rc7 | 6.2.9:rc8 | 6.2.9:rc9 | 6.3.0 | 6.3.1 | 6.3.2 | 6.3.3 | 6.3.4 | 6.3.5 | 6.3.6 | 6.3.6:rc1 | 6.3.6:rc2 | 6.3.6:rc3 | 6.3.6:rc4 | 6.3.6:rc5 | 6.3.7 | 6.3.8 | 6.3.9 | 6.3.9:rc2

2 vendors · 2 products

References

18 links
Show all 18 references