Format string vulnerability in exim (3.22-10 in Red Hat, 3.12 in Debian and 3.16 in Conectiva) in batched SMTP mode allows a remote attacker
Format string vulnerability in exim (3.22-10 in Red Hat, 3.12 in Debian and 3.16 in Conectiva) in batched SMTP mode allows a remote attacker to execute arbitrary code via format strings in SMTP mail headers.
- Published
- Sep 20, 2001
- Updated
- Jun 16, 2026
- EPSS
- 11.9% · 96th percentile
- CWE
- —
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Report tools
Action score
34
Monitor
Low priority for now.
- CVSS
- 30 / 40 · 7.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 4 / 30 · 11.9%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| conectiva | linux | cpe:2.3:o:conectiva:linux |
| university of cambridge | exim | cpe:2.3:a:university_of_cambridge:exim |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| redhat | linux | cpe:2.3:o:redhat:linux |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- conectiva linuxall versions
- debian debian linux4.0
- redhat linuxall versions
- university of cambridge eximup to 3.22 inclusive
Same product
conectiva: all recordsOther highest-scoring records for the same primary product.
- CVE-2000-0666rpc.statd in the nfs-utils package in various Linux distributions does not properly cleanse untrusted format strings, which allows remote at48Plan
- CVE-2000-0747The logrotate script for OpenLDAP before 1.2.11 in Conectiva Linux sends an improper signal to the kernel log daemon (klogd) and kills it.41Plan
- CVE-2001-1375tcl/tk package (tcltk) 8.3.1 searches for its libraries in the current working directory before other directories, which could allow local u18Monitor
- CVE-2000-0667Vulnerability in gpm in Caldera Linux allows local users to delete arbitrary files or conduct a denial of service.14Monitor
- CVE-2001-0178kdesu program in KDE2 (KDE before 2.2.0-6) does not properly verify the owner of a UNIX socket that is used to send a password, which allows8Monitor
- CVE-2000-0633Vulnerability in Mandrake Linux usermode package allows local users to to reboot or halt the system.8Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Exploit-DB entry ×1
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2001-06-06 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-106 d
- Published
- TodaySep 30, 2026+9141 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- P · data can be read
- Integrity
- P · data or configuration can be modified
- Availability
- P · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- P
- Integrity impact
- P
- Availability impact
- P
Weakness class (CWE)
—
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000402
- www.debian.org/security/2001/dsa-058
- www.redhat.com/support/errata/RHSA-2001-078.html
- www.securityfocus.com/bid/2828
- exchange.xforce.ibmcloud.com/vulnerabilities/6671
Vendor advisories and official records. Exploit/PoC links are deliberately left out.