HIGH
Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (electric-power outage) via a long string containing non-printable characters
Published Jun 1, 2012
7.5
HIGHCVSS 2.0
EPSS 6.24%
Description
Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or cause a denial of service (electric-power outage) via a long string containing non-printable characters.
Affected products
No data.
OR
- ≤ 2.6.3-3
- 2.4.2
- 2.4.3
- 2.6.0
- 2.6.0
- 2.6.0-1
- 2.6.1
- 2.6.1-1
- 2.6.3-1
No data.
No Red Hat product state for this CVE.
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
6.24% 0.06243
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.06243
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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.24% (0.06243) | 93.34th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.24% (0.06243) | 92.63th | v5 (v2026.06.15) |
| Oct 14, 2025 | 6.08% (0.06080) | 90.28th | v4 (v2025.03.14) |
| Mar 30, 2025 | 7.98% (0.07982) | 91.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.65% (0.09650) | 88.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 7.98% (0.07982) | 91.47th | v4 (v2025.03.14) |
| Jan 20, 2025 | 17.71% (0.17711) | 96.15th | v3 (v2023.03.01) |
| Dec 17, 2024 | 15.57% (0.15573) | 95.88th | v3 (v2023.03.01) |
| Nov 30, 2024 | 9.07% (0.09069) | 94.87th | v3 (v2023.03.01) |
| Jun 20, 2024 | 8.03% (0.08031) | 94.32th | v3 (v2023.03.01) |
| Dec 31, 2023 | 9.24% (0.09244) | 94.09th | v3 (v2023.03.01) |
| Oct 28, 2023 | 8.12% (0.08116) | 93.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 8.45% (0.08451) | 93.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.54% (0.07544) | 92.83th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07544) | 92.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.54% (0.07544) | 81.06th | v2 (v2022.01.01) |
Weaknesses (1)
References (11)
- http://alioth.debian.org/tracker/?func=detail&aid=313636 x_refsource_CONFIRMExploit
- http://networkupstools.org/docs/user-manual.chunked/apis01.html x_refsource_CONFIRM
- http://secunia.com/advisories/49348 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/50389 third-party-advisoryx_refsource_SECUNIA
- http://trac.networkupstools.org/projects/nut/changeset/3633 x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2484 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:087 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/82409 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/53743 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75980 vdb-entryx_refsource_XF
- https://hermes.opensuse.org/messages/15514634 vendor-advisoryx_refsource_SUSE
| Link | Providers | Tags |
|---|---|---|
| http://alioth.debian.org/tracker/?func=detail&aid=313636 | x_refsource_CONFIRMExploit | |
| http://networkupstools.org/docs/user-manual.chunked/apis01.html | x_refsource_CONFIRM | |
| http://secunia.com/advisories/49348 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/50389 | third-party-advisoryx_refsource_SECUNIA | |
| http://trac.networkupstools.org/projects/nut/changeset/3633 | x_refsource_CONFIRM | |
| http://www.debian.org/security/2012/dsa-2484 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2012:087 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.osvdb.org/82409 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/bid/53743 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/75980 | vdb-entryx_refsource_XF | |
| https://hermes.opensuse.org/messages/15514634 | vendor-advisoryx_refsource_SUSE |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jun 1, 2012
Updated Aug 6, 2024
Reserved May 29, 2012
Link CVE-2012-2944
CISA Vulnrichment
Updated n/a