Exim: privilege escalation
Published Feb 2, 2011
6.9
MEDIUMCVSS 2.0
EPSS 0.38%
Description
The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.
Affected products
No data.
- ≤ 4.72
- 2.10
- 2.11
- 2.12
- 3.00
- 3.01
- 3.02
- 3.03
- 3.10
- 3.11
- 3.12
- 3.13
- 3.14
- 3.15
- 3.16
- 3.20
- 3.21
- 3.22
- 3.30
- 3.31
- 3.32
- 3.33
- 3.34
- 3.35
- 3.36
- 4.00
- 4.01
- 4.02
- 4.03
- 4.04
- 4.05
- 4.10
- 4.11
- 4.12
- 4.14
- 4.20
- 4.21
- 4.22
- 4.23
- 4.24
- 4.30
- 4.31
- 4.32
- 4.33
- 4.34
- 4.40
- 4.41
- 4.42
- 4.43
- 4.44
- 4.50
- 4.51
- 4.52
- 4.53
- 4.54
- 4.60
- 4.61
- 4.62
- 4.63
- 4.64
- 4.65
- 4.66
- 4.67
- 4.68
- 4.69
- 4.70
- 4.71
No data.
Red Hat Enterprise Linux 4
exim
Will not fix
Red Hat Enterprise Linux 5
exim
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | exim | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | exim | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00379) | 29.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00379) | 29.43th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.12% (0.00118) | 28.23th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
References (19)
- ftp://ftp.exim.org/pub/exim/ChangeLogs/ChangeLog-4.74 x_refsource_CONFIRM
- http://lists.exim.org/lurker/message/20110126.034702.4d69c278.en.html mailing-listx_refsource_MLISTPatch
- http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html vendor-advisoryx_refsource_SUSE
- http://osvdb.org/70696 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/43101 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43128 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43243 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2011/dsa-2154 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/46065 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1060-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2011/0224 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0245 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0364 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2011/0464 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2011-0017 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=670945 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/65028 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2011-0017
- https://www.cve.org/CVERecord?id=CVE-2011-0017
Change history (0)
No recorded changes yet.