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CVE-2003-0886

42
FAUCET Score

CVE-2003-0886 describes a critical format string vulnerability in hfaxd, a component of Hylafax versions 4.1.7 and earlier. This flaw allows unauthenticated remote attackers to execute arbitrary code on affected systems. With a CVSS score of 10.0, it represents a severe risk due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog, an exploit for this vulnerability is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
4.1CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.1:*:*:*:*:*:*:*
4.1.1CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.1.1:*:*:*:*:*:*:*
4.1.2CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.1.2:*:*:*:*:*:*:*
4.1.3CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.1.3:*:*:*:*:*:*:*
4.1.5CPE matchmatch criteria
cpe:2.3:a:hylafax:hylafax:4.1.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
12.06%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-23371 · Nov 10, 2003
This CVE's current EPSS score of 0.1206 is in the 93rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

References

distro.conectiva.com.br / atualizacoes
marc.info
debian.org / security/2003/dsa-401
PatchVendor Advisory
mandriva.com / security/advisories
novell.com / linux/security/advisories/2003_045_hylafax.html